Why does it seem to me that Islamic Theology is a bunch of logical fallacies stitched together?

I'm an intellectual studying Islam deeper and I can't help but notice this. For example, their doctrine of scriptural corruption (Tahrif) to attack the Bible, which does not even match the definition of textual corruption in secular textual criticism.

This is a struggle to me as an intellectual person because I see so many Muslims using this.

The doctrine of Tahrif is historically unverifiable independent of Islamic theology. Making it a purely theological stance rather than a historical truth. I believe it should not be used to defend the authenticity of Quranic claims and used as a presumed truth that happened in history to disprove/critique authenticity of the Bible.

It is a theological necessity that seems to be posing to be a historical truth. It cannot be used to prove or disprove authenticity because authenticity relies on historical evidence of a lack of corruption that agrees with secular definition of corruption in textual criticism. I think a theological doctrine should not be used to prove/disprove authenticity of religious texts or their parts. This is a category error.

Category error because we are taking a theological claim (tahrif)mixing it with the minor textual variations (our "evidence") and replacing the actual conclusion of scholars with the tahrif (corruption) to prove the tahrif (corruption). It's circular because we are using our own claim as an evidence. It's a categorical error because we are taking something we believe in faith with “textual evidence” to disprove authenticity which requires historical evidence (which we claim are the textual variations) and reason. We cannot mix faith with empirical evidence to prove authenticity. It requires reason and evidence. Worse, we are misrepresenting what the textual criticisms actually conlude: that 95%+ of the contents of Bible manuscripts agree with each other, with thousands of manuscripts with only minor variations, this is a proof of independent corroboration and a lack of falsification.

Anyone else noticed this?

reddit.com
u/Active_Barber870 — 14 days ago

How Would You Approach Debating Muslims?

Here is my approach:

The backbone of Islam:

  1. Tahrif (corruption of scripture) happened in the 4-7th century involving parts of the Gospel (Injil) and Torah (Tawrat). Essentially, everything that disagrees with the Quran is corrupted. This is a circular argument because they are using their own conclusion as their evidence.
  2. Their definition of Tahrif (corruption) is different from the definition of corruption in secular textual criticism. This is a logical fallacy called forcing redefinitions. They will keep insisting this is what they meant so you take the same stance as them. Or, keep refuting your argument by saying that’s not what they meant of corruption.
  3. They will impose their definition of corruption by blending it with secular definition and quoting scholars. They will say, “because there are no 100% word-for-word matching between the thousands of manuscripts, it’s corrupted because there is no universal agreement. This is a category error that can be defended using independent corroboration or interlocking witnesses (keep reading)
  4. This then leads to circular arguments and logical trap until you are forced to believe the Quran is the final revelation or don’t come to an agreement at all.

The key is to breakdown the doctrine of Tahrif.
The Tahrif should not be used to prove authenticity of the Quran or criticize authenticity of parts of the Bible or Torah

**The doctrine of Tahrif is historically unverifiable independent of Islamic theology.** Making it a purely theological stance rather than a historical truth. Therefore, it should not be used to defend the authenticity of Quranic claims and used as a presumed truth that happened in history to disprove/critique parts of the Bible that support Christian doctrines, yet disagree with Islam. It is a theological necessity posing to be a historical truth and **it cannot be used to prove or disprove authenticity because authenticity relies on historical evidence that agrees with secular definition of corruption in textual criticism**. **A theological doctrine should not be used to prove/disprove authenticity of religious texts or their parts.** This is a **category error**.

The Islamic doctrine of Tahrif (Corruption) claims it **happened in the 4-7th century. There are no writings in either the Quran or Hadith to support this specific time period.** Moreover, no scholarly resources outside Islamic theology* to prove corruptions did happen during this time period.

Bart Ehrman's argument relies on a **false magnification fallacy** by treating thousands of minor, trivial spelling errors as if they represent a total corruption of the text. Just as multiplying the number of photocopies of a book multiplies minor typos, a massive collection of ancient manuscripts naturally generates a high volume of variants that actually give scholars the exact tools needed to cross-examine and verify the original wording.

The core doctrines of Christianity did not change because the **vast ocean of textual variants consists almost entirely of minor spelling errors and trivial slips** that leave the foundational narrative completely untouched. Because early manuscripts were copied independently across many different geographic regions, any accidental local error stands out immediately and **can be easily corrected by cross-examining the overwhelming majority of matching texts.** Therefore, even with hundreds of thousands of variations, the original teachings regarding the life, death, and resurrection of Jesus remain securely and consistently preserved.

In logic and legal investigation, using multiple texts with minor differences alongside agreement with the core claim as strong proof of truth is known as **independent corroboration** (or **interlocking testimony**). Detectives favor this dynamic because **100% identical wording across separate accounts is actually a major red flag** for collusion or script fabrication; conversely, **small variations in detail prove the sources recorded the events independently**, while their overwhelming agreement on the core facts establishes the underlying event beyond a reasonable doubt. Dismissing an entire account due to these slight variations commits the **fallacy of composition**, wrongly assuming that because minor details differ, the central story must be false.

Category error because they are taking a theological claim (tahrif)mixing it with the minor textual variations (their "evidence") and replacing the actual conclusion of scholars with the tahrif (corruption) to prove the tahrif (corruption). It's circular because they are using their own claim as an evidence. It's a categorical error because they are taking something they believe in faith with somebody else's evidence to disprove authenticity which requires historical evidence and reason (which they claim are the textual variations). Worse, they are misrepresenting what the textual criticisms actually conlude by replacing the conclusion. I actually shows that 95%+ of the contents of manuscripts agree with each other, with thousands of manuscripts with only minor variations, this is a proof of independent corroboration and a lack of falsification.

Here are common logical fallacies they use:

1. Definitional Fallacy and Equivocation

In actual history, textual corruption means physical copying errors, additions, or lost pages that we can track using surviving manuscripts. Apologists toss that standard out and replace it with a simple theological rule: if a text disagrees with the Quran, it must be corrupt. When you bring out early manuscripts like the P75 papyrus or Codex Sinaiticus that clearly show Jesus claiming divine Sonship, they just push the alleged corruption back into a missing window of time before those copies were made. It turns a historical debate into an untestable assertion.

2. Begging the Question

The argument uses the Quran as the ultimate judge of the Bible, assuming Islam is true in order to prove the Bible was altered. For example, someone might quote Deuteronomy 18:18 about a prophet from among their brothers and claim it predicts Muhammad. But the moment you point to the surrounding context showing brothers refers strictly to the twelve tribes of Israel, they claim that specific context was corrupted by scribes. The only criteria for what counts as authentic versus corrupted is whether or not it aligns with what the Quran already says.

3. Special Pleading and Double Standards

This creates a heads I win, tails you lose setup. Biblical verses are treated as accurate scripture when they seem to support Islamic claims, but immediately dismissed as fake when they do not. A classic example is citing John 14:16 about another Helper as a prophecy about Muhammad, but rejecting verse 17 right after it, which says this Helper is the Spirit of truth who will live inside believers. Verse 16 is accepted because it fits the argument, while verse 17 is thrown out as a scribal edit because a human prophet cannot live inside people.

4. The Straw Man Fallacy

This point relies on distorting what Christians actually mean by textual preservation. Apologists will often say, "You claim the Bible is 100% word-for-word untouched, yet your own scholars admit there are thousands of textual variants!" That completely conflates basic copying variants, like spelling mistakes or flipped word order, with actual theological corruption. It completely ignores the fact that over 95% of those variants are just minor typos that do not alter a single core doctrine.

5. Hyperliteralism
They will say, "where is the Trinity in the Bible? Where did Jesus say to worship Him?"
Respond by saying, "Where did it say in the Quran that it is the uncreated, co-eternal word of God for you to believe it is indeed a divine revelation?" Nowhere.

Lastly, if they are accusing us of scriptural coruption, the burden of proof is on them. If they are ever asking you to prove why the bible was not corrupted, this is shifting the burden of proof, making it an invalid argument.

Feel free to share yours or critique my approach

reddit.com
u/Active_Barber870 — 14 days ago

Using the Tahrif to discredit parts of the Bible is a Category Error

The doctrine of Tahrif is historically unverifiable independent of Islamic theology. Making it a purely theological stance rather than a historical truth. Therefore, it should not be used to defend the authenticity of Quranic claims and used as a presumed truth that happened in history to disprove/critique parts of the Bible that support Christian doctrines, yet disagree with Islam. It is a theological necessity posing to be a historical truth and it cannot be used to prove or disprove authenticity because authenticity relies on historical evidence that agrees with secular definition of corruption in textual criticismA theological doctrine should not be used to prove/disprove authenticity of religious texts or their parts. This is a category error.

Category error because it is taking a theological claim (tahrif)mixing it with the minor textual variations (their "evidence") and replacing the actual conclusion of scholars with the tahrif (corruption) to prove the tahrif (corruption). It's circular because they are using their own claim as an evidence. It's a categorical error because they are taking something they believe in faith with somebody else's evidence to disprove authenticity which requires historical evidence and reason (which they claim are the textual variations). Worse, they are misrepresenting what the textual criticisms actually conlude by replacing the conclusion. I actually shows that 95%+ of the contents of manuscripts agree with each other, with thousands of manuscripts with only minor variations, this is a proof of independent corroboration and a lack of falsification.

The Islamic doctrine of Tahrif (Corruption) claims it happened in the 4-7th century. There are no writings in either the Quran or Hadith to support this specific time period. Moreover**, no scholarly resources outside Islamic theology** to prove corruptions did happen during this time period.**

Bart Ehrman's argument relies on a false magnification fallacy by treating thousands of minor, trivial spelling errors as if they represent a total corruption of the text. Just as multiplying the number of photocopies of a book multiplies minor typos, a massive collection of ancient manuscripts naturally generates a high volume of variants that actually give scholars the exact tools needed to cross-examine and verify the original wording.

The core doctrines of Christianity did not change because the vast ocean of textual variants consists almost entirely of minor spelling errors and trivial slips that leave the foundational narrative completely untouched. Because early manuscripts were copied independently across many different geographic regions, any accidental local error stands out immediately and can be easily corrected by cross-examining the overwhelming majority of matching texts. Therefore, even with hundreds of thousands of variations, the original teachings regarding the life, death, and resurrection of Jesus remain securely and consistently preserved.

In logic and legal investigation, using multiple texts with minor differences alongside agreement with the core claim as strong proof of truth is known as independent corroboration (or interlocking testimony). Detectives favor this dynamic because 100% identical wording across separate accounts is actually a major red flag for collusion or script fabrication; conversely, small variations in detail prove the sources recorded the events independently, while their overwhelming agreement on the core facts establishes the underlying event beyond a reasonable doubt. Dismissing an entire account due to these slight variations commits the fallacy of composition, wrongly assuming that because minor details differ, the central story must be false.

reddit.com
u/Active_Barber870 — 14 days ago
▲ 0 r/Quran

Why do we use the Tahrif to discredit parts of the Bible and affirm the Quran's authenticity... when this seems to be a category error?

This is a struggle to me as an intellectual person because I see so many Muslims using this.

The doctrine of Tahrif is historically unverifiable independent of Islamic theology. Making it a purely theological stance rather than a historical truth. I believe it should not be used to defend the authenticity of Quranic claims and used as a presumed truth that happened in history to disprove/critique authenticity of the Bible.

It is a theological necessity that seems to be posing to be a historical truth. It cannot be used to prove or disprove authenticity because authenticity relies on historical evidence of a lack of corruption that agrees with secular definition of corruption in textual criticism. I think a theological doctrine should not be used to prove/disprove authenticity of religious texts or their parts. This is a category error.

Category error because we are taking a theological claim (tahrif)mixing it with the minor textual variations (our "evidence") and replacing the actual conclusion of scholars with the tahrif (corruption) to prove the tahrif (corruption). It's circular because we are using our own claim as an evidence. It's a categorical error because we are taking something we believe in faith with “textual evidence” to disprove authenticity which requires historical evidence (which we claim are the textual variations) and reason. We cannot mix faith with empirical evidence to prove authenticity. It requires reason and evidence. Worse, we are misrepresenting what the textual criticisms actually conlude: that 95%+ of the contents of Bible  manuscripts agree with each other, with thousands of manuscripts with only minor variations, this is a proof of independent corroboration and a lack of falsification.

reddit.com
u/Active_Barber870 — 14 days ago

Why do we use the Tahrif to attack the authenticity of parts of the Bible... and affirm the Quran when it seems to me that it is a category error?

This is a struggle to me as an intellectual person because I see so many Muslims using this.

The doctrine of Tahrif is historically unverifiable independent of Islamic theology. Making it a purely theological stance rather than a historical truth. I believe it should not be used to defend the authenticity of Quranic claims and used as a presumed truth that happened in history to disprove/critique authenticity of the Bible.

It is a theological necessity that seems to be posing to be a historical truth. It cannot be used to prove or disprove authenticity because authenticity relies on historical evidence of a lack of corruption that agrees with secular definition of corruption in textual criticism. I think a theological doctrine should not be used to prove/disprove authenticity of religious texts or their parts. This is a category error.

Category error because we are taking a theological claim (tahrif)mixing it with the minor textual variations (our "evidence") and replacing the actual conclusion of scholars with the tahrif (corruption) to prove the tahrif (corruption). It's circular because we are using our own claim as an evidence. It's a categorical error because we are taking something we believe in faith with “textual evidence” to disprove authenticity which requires historical evidence (which we claim are the textual variations) and reason. We cannot mix faith with empirical evidence to prove authenticity. It requires reason and evidence. Worse, we are misrepresenting what the textual criticisms actually conlude: that 95%+ of the contents of Bible manuscripts agree with each other, with thousands of manuscripts with only minor variations, this is a proof of independent corroboration and a lack of falsification.

reddit.com
u/Active_Barber870 — 14 days ago

Why do we use the Tahrif to attack the authenticity of parts of the Bible... and affirm the Quran when it seems to me that it is a category error?

This is a struggle to me as an intellectual person because I see so many Muslims using this.

The doctrine of Tahrif is historically unverifiable independent of Islamic theology. Making it a purely theological stance rather than a historical truth. I believe it should not be used to defend the authenticity of Quranic claims and used as a presumed truth that happened in history to disprove/critique authenticity of the Bible.

It is a theological necessity that seems to be posing to be a historical truth. It cannot be used to prove or disprove authenticity because authenticity relies on historical evidence of a lack of corruption that agrees with secular definition of corruption in textual criticism. I think a theological doctrine should not be used to prove/disprove authenticity of religious texts or their parts. This is a category error.

Category error because we are taking a theological claim (tahrif)mixing it with the minor textual variations (our "evidence") and replacing the actual conclusion of scholars with the tahrif (corruption) to prove the tahrif (corruption). It's circular because we are using our own claim as an evidence. It's a categorical error because we are taking something we believe in faith with “textual evidence” to disprove authenticity which requires historical evidence (which we claim are the textual variations) and reason. We cannot mix faith with empirical evidence to prove authenticity. It requires reason and evidence. Worse, we are misrepresenting what the textual criticisms actually conlude: that 95%+ of the contents of manuscripts agree with each other, with thousands of manuscripts with only minor variations, this is a proof of independent corroboration and a lack of falsification.

reddit.com
u/Active_Barber870 — 14 days ago

Advice to Catholics Debating Muslims

The backbone of Islam:

  1. Tahrif (corruption of scripture) happened in the 4-7th century involving parts of the Gospel (Injil) and Torah (Tawrat). Essentially, everything that disagrees with the Quran is corrupted. This is a circular argument because they are using their own conclusion as their evidence.
  2. Their definition of Tahrif (corruption) is different from the definition of corruption in secular textual criticism. This is a logical fallacy called forcing redefinitions. They will keep insisting this is what they meant so you take the same stance as them. Or, keep refuting your argument by saying that’s not what they meant of corruption.
  3. They will impose their definition of corruption by blending it with secular definition and quoting scholars. They will say, “because there are no 100% word-for-word matching between the thousands of manuscripts, it’s corrupted because there is no universal agreement. This is a category error that can be defended using independent corroboration or interlocking witnesses (keep reading)
  4. This then leads to circular arguments and logical trap until you are forced to believe the Quran is the final revelation or don’t come to an agreement at all.

The key is to breakdown the doctrine of Tahrif.
The Tahrif should not be used to prove authenticity of the Quran or criticize authenticity of parts of the Bible or Torah

**The doctrine of Tahrif is historically unverifiable independent of Islamic theology.** Making it a purely theological stance rather than a historical truth. Therefore, it should not be used to defend the authenticity of Quranic claims and used as a presumed truth that happened in history to disprove/critique parts of the Bible that support Christian doctrines, yet disagree with Islam. It is a theological necessity posing to be a historical truth and **it cannot be used to prove or disprove authenticity because authenticity relies on historical evidence that agrees with secular definition of corruption in textual criticism**. **A theological doctrine should not be used to prove/disprove authenticity of religious texts or their parts.** This is a **category error**.

The Islamic doctrine of Tahrif (Corruption) claims it **happened in the 4-7th century. There are no writings in either the Quran or Hadith to support this specific time period.** Moreover, no scholarly resources outside Islamic theology* to prove corruptions did happen during this time period.

Bart Ehrman's argument relies on a **false magnification fallacy** by treating thousands of minor, trivial spelling errors as if they represent a total corruption of the text. Just as multiplying the number of photocopies of a book multiplies minor typos, a massive collection of ancient manuscripts naturally generates a high volume of variants that actually give scholars the exact tools needed to cross-examine and verify the original wording.

The core doctrines of Christianity did not change because the **vast ocean of textual variants consists almost entirely of minor spelling errors and trivial slips** that leave the foundational narrative completely untouched. Because early manuscripts were copied independently across many different geographic regions, any accidental local error stands out immediately and **can be easily corrected by cross-examining the overwhelming majority of matching texts.** Therefore, even with hundreds of thousands of variations, the original teachings regarding the life, death, and resurrection of Jesus remain securely and consistently preserved.

In logic and legal investigation, using multiple texts with minor differences alongside agreement with the core claim as strong proof of truth is known as **independent corroboration** (or **interlocking testimony**). Detectives favor this dynamic because **100% identical wording across separate accounts is actually a major red flag** for collusion or script fabrication; conversely, **small variations in detail prove the sources recorded the events independently**, while their overwhelming agreement on the core facts establishes the underlying event beyond a reasonable doubt. Dismissing an entire account due to these slight variations commits the **fallacy of composition**, wrongly assuming that because minor details differ, the central story must be false.

Category error because they are taking a theological claim (tahrif), mixing it with the minor textual variations (their "evidence") and replacing the actual conclusion of scholars with the tahrif (corruption) to prove the tahrif (corruption). It's circular because they are using their own claim as an evidence. It's a categorical error because they are taking something they believe in faith with somebody else's evidence to disprove authenticity which requires historical evidence and reason (which they claim are the textual variations). Worse, they are misrepresenting what the textual criticisms actually conlude by replacing the conclusion. I actually shows that 95%+ of the contents of manuscripts agree with each other, with thousands of manuscripts with only minor variations, this is a proof of independent corroboration and a lack of falsification.

Here are common logical fallacies they use:

1. Definitional Fallacy and Equivocation

In actual history, textual corruption means physical copying errors, additions, or lost pages that we can track using surviving manuscripts. Apologists toss that standard out and replace it with a simple theological rule: if a text disagrees with the Quran, it must be corrupt. When you bring out early manuscripts like the P75 papyrus or Codex Sinaiticus that clearly show Jesus claiming divine Sonship, they just push the alleged corruption back into a missing window of time before those copies were made. It turns a historical debate into an untestable assertion.

2. Begging the Question

The argument uses the Quran as the ultimate judge of the Bible, assuming Islam is true in order to prove the Bible was altered. For example, someone might quote Deuteronomy 18:18 about a prophet from among their brothers and claim it predicts Muhammad. But the moment you point to the surrounding context showing brothers refers strictly to the twelve tribes of Israel, they claim that specific context was corrupted by scribes. The only criteria for what counts as authentic versus corrupted is whether or not it aligns with what the Quran already says.

3. Special Pleading and Double Standards

This creates a heads I win, tails you lose setup. Biblical verses are treated as accurate scripture when they seem to support Islamic claims, but immediately dismissed as fake when they do not. A classic example is citing John 14:16 about another Helper as a prophecy about Muhammad, but rejecting verse 17 right after it, which says this Helper is the Spirit of truth who will live inside believers. Verse 16 is accepted because it fits the argument, while verse 17 is thrown out as a scribal edit because a human prophet cannot live inside people.

4. The Straw Man Fallacy

This point relies on distorting what Christians actually mean by textual preservation. Apologists will often say, "You claim the Bible is 100% word-for-word untouched, yet your own scholars admit there are thousands of textual variants!" That completely conflates basic copying variants, like spelling mistakes or flipped word order, with actual theological corruption. It completely ignores the fact that over 95% of those variants are just minor typos that do not alter a single core doctrine.

Lastly, if they are accusing us of scriptural coruption, the burden of proof is on them. If they are ever asking you to prove why the bible was not corrupted, this is shifting the burden of proof, making it an invalid argument.

Hope it helps!

reddit.com
u/Active_Barber870 — 14 days ago

Advice to Christians Debating Muslims

The backbone of Islam:

  1. Tahrif (corruption of scripture) happened in the 4-7th century involving parts of the Gospel (Injil) and Torah (Tawrat). Essentially, everything that disagrees with the Quran is corrupted. This is a circular argument because they are using their own conclusion as their evidence.
  2. Their definition of Tahrif (corruption) is different from the definition of corruption in secular textual criticism. This is a logical fallacy called forcing redefinitions. They will keep insisting this is what they meant so you take the same stance as them. Or, keep refuting your argument by saying that’s not what they meant of corruption.
  3. They will impose their definition of corruption by blending it with secular definition and quoting scholars. They will say, “because there are no 100% word-for-word matching between the thousands of manuscripts, it’s corrupted because there is no universal agreement. This is a category error that can be defended using independent corroboration or interlocking witnesses (keep reading)
  4. This then leads to circular arguments and logical trap until you are forced to believe the Quran is the final revelation or don’t come to an agreement at all.

The key is to breakdown the doctrine of Tahrif.
The Tahrif should not be used to prove authenticity of the Quran or criticize authenticity of parts of the Bible or Torah

**The doctrine of Tahrif is historically unverifiable independent of Islamic theology.** Making it a purely theological stance rather than a historical truth. Therefore, it should not be used to defend the authenticity of Quranic claims and used as a presumed truth that happened in history to disprove/critique parts of the Bible that support Christian doctrines, yet disagree with Islam. It is a theological necessity posing to be a historical truth and **it cannot be used to prove or disprove authenticity because authenticity relies on historical evidence that agrees with secular definition of corruption in textual criticism**. **A theological doctrine should not be used to prove/disprove authenticity of religious texts or their parts.** This is a **category error**.

The Islamic doctrine of Tahrif (Corruption) claims it **happened in the 4-7th century. There are no writings in either the Quran or Hadith to support this specific time period.** Moreover, no scholarly resources outside Islamic theology\*\* to prove corruptions did happen during this time period.

Bart Ehrman's argument relies on a **false magnification fallacy** by treating thousands of minor, trivial spelling errors as if they represent a total corruption of the text. Just as multiplying the number of photocopies of a book multiplies minor typos, a massive collection of ancient manuscripts naturally generates a high volume of variants that actually give scholars the exact tools needed to cross-examine and verify the original wording.

The core doctrines of Christianity did not change because the **vast ocean of textual variants consists almost entirely of minor spelling errors and trivial slips** that leave the foundational narrative completely untouched. Because early manuscripts were copied independently across many different geographic regions, any accidental local error stands out immediately and **can be easily corrected by cross-examining the overwhelming majority of matching texts.** Therefore, even with hundreds of thousands of variations, the original teachings regarding the life, death, and resurrection of Jesus remain securely and consistently preserved.

In logic and legal investigation, using multiple texts with minor differences alongside agreement with the core claim as strong proof of truth is known as **independent corroboration** (or **interlocking testimony**). Detectives favor this dynamic because **100% identical wording across separate accounts is actually a major red flag** for collusion or script fabrication; conversely, **small variations in detail prove the sources recorded the events independently**, while their overwhelming agreement on the core facts establishes the underlying event beyond a reasonable doubt. Dismissing an entire account due to these slight variations commits the **fallacy of composition**, wrongly assuming that because minor details differ, the central story must be false.

Category error because they are taking a theological claim (tahrif)mixing it with the minor textual variations (their "evidence") and replacing the actual conclusion of scholars with the tahrif (corruption) to prove the tahrif (corruption). It's circular because they are using their own claim as an evidence. It's a categorical error because they are taking something they believe in faith with somebody else's evidence to disprove authenticity which requires historical evidence and reason (which they claim are the textual variations). Worse, they are misrepresenting what the textual criticisms actually conlude by replacing the conclusion. I actually shows that 95%+ of the contents of manuscripts agree with each other, with thousands of manuscripts with only minor variations, this is a proof of independent corroboration and a lack of falsification.

Here are common logical fallacies they use:

1. Definitional Fallacy and Equivocation

In actual history, textual corruption means physical copying errors, additions, or lost pages that we can track using surviving manuscripts. Apologists toss that standard out and replace it with a simple theological rule: if a text disagrees with the Quran, it must be corrupt. When you bring out early manuscripts like the P75 papyrus or Codex Sinaiticus that clearly show Jesus claiming divine Sonship, they just push the alleged corruption back into a missing window of time before those copies were made. It turns a historical debate into an untestable assertion.

2. Begging the Question

The argument uses the Quran as the ultimate judge of the Bible, assuming Islam is true in order to prove the Bible was altered. For example, someone might quote Deuteronomy 18:18 about a prophet from among their brothers and claim it predicts Muhammad. But the moment you point to the surrounding context showing brothers refers strictly to the twelve tribes of Israel, they claim that specific context was corrupted by scribes. The only criteria for what counts as authentic versus corrupted is whether or not it aligns with what the Quran already says.

3. Special Pleading and Double Standards

This creates a heads I win, tails you lose setup. Biblical verses are treated as accurate scripture when they seem to support Islamic claims, but immediately dismissed as fake when they do not. A classic example is citing John 14:16 about another Helper as a prophecy about Muhammad, but rejecting verse 17 right after it, which says this Helper is the Spirit of truth who will live inside believers. Verse 16 is accepted because it fits the argument, while verse 17 is thrown out as a scribal edit because a human prophet cannot live inside people.

4. The Straw Man Fallacy

This point relies on distorting what Christians actually mean by textual preservation. Apologists will often say, "You claim the Bible is 100% word-for-word untouched, yet your own scholars admit there are thousands of textual variants!" That completely conflates basic copying variants, like spelling mistakes or flipped word order, with actual theological corruption. It completely ignores the fact that over 95% of those variants are just minor typos that do not alter a single core doctrine.

5. Hyperliteralism
They will say, "where is the Trinity in the Bible? Where did Jesus say to worship Him?"
Respond by saying, "Where did it say in the Quran that it is the uncreated, co-eternal word of God for you to believe it is indeed a divine revelation?" Nowhere.

Lastly, if they are accusing us of scriptural coruption, the burden of proof is on them. If they are ever asking you to prove why the bible was not corrupted, this is shifting the burden of proof, making it an invalid argument.

Once you breakdown the tahrif, everything else in the Quran is questionable.

Hope this helps!!

reddit.com
u/Active_Barber870 — 14 days ago

Advice to Christians Debating Muslims

The backbone of Islam:

  1. Tahrif (corruption of scripture) happened in the 4-7th century involving parts of the Gospel (Injil) and Torah (Tawrat). Essentially, everything that disagrees with the Quran is corrupted. This is a circular argument because they are using their own conclusion as their evidence.
  2. Their definition of Tahrif (corruption) is different from the definition of corruption in secular textual criticism. This is a logical fallacy called forcing redefinitions. They will keep insisting this is what they meant so you take the same stance as them. Or, keep refuting your argument by saying that’s not what they meant of corruption.
  3. They will impose their definition of corruption by blending it with secular definition and quoting scholars. They will say, “because there are no 100% word-for-word matching between the thousands of manuscripts, it’s corrupted because there is no universal agreement. This is a category error that can be defended using independent corroboration or interlocking witnesses (keep reading)
  4. This then leads to circular arguments and logical trap until you are forced to believe the Quran is the final revelation or don’t come to an agreement at all.

The key is to breakdown the doctrine of Tahrif.
The Tahrif should not be used to prove authenticity of the Quran or criticize authenticity of parts of the Bible or Torah

**The doctrine of Tahrif is historically unverifiable independent of Islamic theology.** Making it a purely theological stance rather than a historical truth. Therefore, it should not be used to defend the authenticity of Quranic claims and used as a presumed truth that happened in history to disprove/critique parts of the Bible that support Christian doctrines, yet disagree with Islam. It is a theological necessity posing to be a historical truth and **it cannot be used to prove or disprove authenticity because authenticity relies on historical evidence that agrees with secular definition of corruption in textual criticism**. **A theological doctrine should not be used to prove/disprove authenticity of religious texts or their parts.** This is a **category error**.

The Islamic doctrine of Tahrif (Corruption) claims it **happened in the 4-7th century. There are no writings in either the Quran or Hadith to support this specific time period.** Moreover, no scholarly resources outside Islamic theology\*\* to prove corruptions did happen during this time period.

Bart Ehrman's argument relies on a **false magnification fallacy** by treating thousands of minor, trivial spelling errors as if they represent a total corruption of the text. Just as multiplying the number of photocopies of a book multiplies minor typos, a massive collection of ancient manuscripts naturally generates a high volume of variants that actually give scholars the exact tools needed to cross-examine and verify the original wording.

The core doctrines of Christianity did not change because the **vast ocean of textual variants consists almost entirely of minor spelling errors and trivial slips** that leave the foundational narrative completely untouched. Because early manuscripts were copied independently across many different geographic regions, any accidental local error stands out immediately and **can be easily corrected by cross-examining the overwhelming majority of matching texts.** Therefore, even with hundreds of thousands of variations, the original teachings regarding the life, death, and resurrection of Jesus remain securely and consistently preserved.

In logic and legal investigation, using multiple texts with minor differences alongside agreement with the core claim as strong proof of truth is known as **independent corroboration** (or **interlocking testimony**). Detectives favor this dynamic because **100% identical wording across separate accounts is actually a major red flag** for collusion or script fabrication; conversely, **small variations in detail prove the sources recorded the events independently**, while their overwhelming agreement on the core facts establishes the underlying event beyond a reasonable doubt. Dismissing an entire account due to these slight variations commits the **fallacy of composition**, wrongly assuming that because minor details differ, the central story must be false.

Here’s a summary of logical fallacies I am noticing:

**1. Definitional Fallacy & Equivocation (Forcing Redefinitions)**  
In historical and textual criticism, "corruption" means scribal errors, additions, or lost original wording established through surviving physical manuscripts. Instead of using this objective standard, Islamic polemics often force a theological redefinition: *corruption means any text that disagrees with the Quran.*  
**Example:** When you point out that 1st-century manuscripts (like the P75 papyrus or Codex Sinaiticus) explicitly affirm Jesus's divine Sonship, the arguer redefines "corruption" to mean that the original true Gospel (*Injeel*) given to Jesus was completely lost or altered before these physical copies were made. By imposing this untestable definition, they force you to evaluate manuscript preservation based on theological alignment rather than physical evidence.  
**2. Begging the Question / Circular Reasoning (Assuming the Conclusion)**  
The argument uses the Quran as the supreme judge to evaluate the Bible, assuming that Islam is already true to prove that the Bible was corrupted wherever it differs.  
**Example:** An arguer will cite Deuteronomy 18:18 ("a prophet like you from among their brothers") and claim, *"This is an uncorrupted prophecy predicting Muhammad."* But when you cite the very next chapter or the surrounding context showing "brothers" refers to the twelve tribes of Israel (not Ishmaelites), they declare, *"That part of the verse was corrupted by Jewish scribes."* The criterion for what is "authentic" versus "corrupted" is simply whether or not it aligns with what the Quran already teaches.  
**3. Special Pleading & Moving the Goalposts (Unfalsifiable Double Standards)**  
This creates a heads-I-win, tails-you-lose double standard where biblical text is accepted as authoritative evidence only when it seems to support Islamic claims, but immediately dismissed as counterfeit the moment it contradicts them.  
**Example:** They frequently cite John 14:16 ("I will ask the Father, and he will give you another Helper") to argue that Jesus predicted the coming of Muhammad. However, if you point to the very next verse, John 14:17, which explicitly states that this Helper is *"the Spirit of truth, whom the world cannot accept... for he lives with you and will be in you,"* they pivot instantly, claiming that John 14:17 is a later scribal corruption. They accept verse 16 as accurate Scripture because it suits their argument, but reject verse 17 as corrupted because a human prophet cannot "live inside" believers.  
**4. The Straw Man Fallacy (Distorting the Opposition's Baseline)**  
By claiming Christians are using an "incorrect definition" of preservation, they misrepresent what Christians actually claim about textual history.  
**Example:** They argue, *"You claim the Bible is the 100% word-for-word unchanged word of God, but your own scholars admit there are thousands of textual variants!"* This creates a straw man by confusing *textual transmission variants* (spelling, minor word order) with *theological alteration*, ignoring the fact that 95%+ of textual variants do not alter any core doctrine

Once you breakdown the tahrif, everything else in the Quran is questionable.

Hope this helps!!

reddit.com
u/Active_Barber870 — 14 days ago

Advice to Christians Debating Muslims

The backbone of Islam:

  1. Tahrif (corruption of scripture) happened in the 4-7th century involving parts of the Gospel (Injil) and Torah (Tawrat). Essentially, everything that disagrees with the Quran is corrupted. This is a circular argument because they are using their own conclusion as their evidence.
  2. Their definition of Tahrif (corruption) is different from the definition of corruption in secular textual criticism. This is a logical fallacy called forcing redefinitions. They will keep insisting this is what they meant so you take the same stance as them. Or, keep refuting your argument by saying that’s not what they meant of corruption.
  3. They will impose their definition of corruption by blending it with secular definition and quoting scholars. They will say, “because there are no 100% word-for-word matching between the thousands of manuscripts, it’s corrupted because there is no universal agreement." This is a category error that can be defended using independent corroboration or interlocking witnesses (keep reading)
  4. This then leads to circular arguments and logical trap until you are forced to believe the Quran is the final revelation or don’t come to an agreement at all.

The key is to breakdown the doctrine of Tahrif.
The Tahrif should not be used to prove authenticity of the Quran or criticize authenticity of parts of the Bible or Torah

**The doctrine of Tahrif is historically unverifiable independent of Islamic theology.** Making it a purely theological stance rather than a historical truth. Therefore, it should not be used to defend the authenticity of Quranic claims and used as a presumed truth that happened in history to disprove/critique parts of the Bible that support Christian doctrines, yet disagree with Islam. It is a theological necessity posing to be a historical truth and **it cannot be used to prove or disprove authenticity because authenticity relies on historical evidence that agrees with secular definition of corruption in textual criticism**. **A theological doctrine should not be used to prove/disprove authenticity of religious texts or their parts.** This is a **category error**.

The Islamic doctrine of Tahrif (Corruption) claims it **happened in the 4-7th century. There are no writings in either the Quran or Hadith to support this specific time period.** Moreover, no scholarly resources outside Islamic theology to prove corruptions did happen during this time period.

Bart Ehrman's argument relies on a **false magnification fallacy** by treating thousands of minor, trivial spelling errors as if they represent a total corruption of the text. Just as multiplying the number of photocopies of a book multiplies minor typos, a massive collection of ancient manuscripts naturally generates a high volume of variants that actually give scholars the exact tools needed to cross-examine and verify the original wording.

The core doctrines of Christianity did not change because the **vast ocean of textual variants consists almost entirely of minor spelling errors and trivial slips** that leave the foundational narrative completely untouched. Because early manuscripts were copied independently across many different geographic regions, any accidental local error stands out immediately and **can be easily corrected by cross-examining the overwhelming majority of matching texts.** Therefore, even with hundreds of thousands of variations, the original teachings regarding the life, death, and resurrection of Jesus remain securely and consistently preserved.

In logic and legal investigation, using multiple texts with minor differences alongside agreement with the core claim as strong proof of truth is known as **independent corroboration** (or **interlocking testimony**). Detectives favor this dynamic because **100% identical wording across separate accounts is actually a major red flag** for collusion or script fabrication; conversely, **small variations in detail prove the sources recorded the events independently**, while their overwhelming agreement on the core facts establishes the underlying event beyond a reasonable doubt. Dismissing an entire account due to these slight variations commits the **fallacy of composition**, wrongly assuming that because minor details differ, the central story must be false.

Category error because they are taking a theological claim (tahrif), mixing it with the minor textual variations (their "evidence") and replacing the actual conclusion of scholars with the tahrif (corruption) to prove the tahrif (corruption). It's circular because they are using their own claim as an evidence. It's a categorical error because they are taking something they believe in faith with somebody else's evidence to disprove authenticity which requires historical evidence and reason (which they claim are the textual variations). Worse, they are misrepresenting what the textual criticisms actually conlude by replacing the conclusion. I actually shows that 95%+ of the contents of manuscripts agree with each other, with thousands of manuscripts with only minor variations, this is a proof of independent corroboration and a lack of falsification.

Here are common logical fallacies they use:

1. Definitional Fallacy and Equivocation

In actual history, textual corruption means physical copying errors, additions, or lost pages that we can track using surviving manuscripts. Apologists toss that standard out and replace it with a simple theological rule: if a text disagrees with the Quran, it must be corrupt. When you bring out early manuscripts like the P75 papyrus or Codex Sinaiticus that clearly show Jesus claiming divine Sonship, they just push the alleged corruption back into a missing window of time before those copies were made. It turns a historical debate into an untestable assertion.

2. Begging the Question

The argument uses the Quran as the ultimate judge of the Bible, assuming Islam is true in order to prove the Bible was altered. For example, someone might quote Deuteronomy 18:18 about a prophet from among their brothers and claim it predicts Muhammad. But the moment you point to the surrounding context showing brothers refers strictly to the twelve tribes of Israel, they claim that specific context was corrupted by scribes. The only criteria for what counts as authentic versus corrupted is whether or not it aligns with what the Quran already says.

3. Special Pleading and Double Standards

This creates a heads I win, tails you lose setup. Biblical verses are treated as accurate scripture when they seem to support Islamic claims, but immediately dismissed as fake when they do not. A classic example is citing John 14:16 about another Helper as a prophecy about Muhammad, but rejecting verse 17 right after it, which says this Helper is the Spirit of truth who will live inside believers. Verse 16 is accepted because it fits the argument, while verse 17 is thrown out as a scribal edit because a human prophet cannot live inside people.

4. The Straw Man Fallacy

This point relies on distorting what Christians actually mean by textual preservation. Apologists will often say, "You claim the Bible is 100% word-for-word untouched, yet your own scholars admit there are thousands of textual variants!" That completely conflates basic copying variants, like spelling mistakes or flipped word order, with actual theological corruption. It completely ignores the fact that over 95% of those variants are just minor typos that do not alter a single core doctrine.

Lastly, if they are accusing us of scriptural coruption, the burden of proof is on them. If they are ever asking you to prove why the bible was not corrupted, this is shifting the burden of proof, making it an invalid argument.

Once you breakdown the tahrif, everything else in the Quran is questionable.

Hope this helps!!

reddit.com
u/Active_Barber870 — 14 days ago

The Tahrif should not be used to prove authenticity of the Quran or criticize authenticity of parts of the Bible or Torah

The doctrine of Tahrif is historically unverifiable independent of Islamic theology. Making it a purely theological stance rather than a historical truth. Therefore, it should not be used to defend the authenticity of Quranic claims and used as a presumed truth that happened in history to disprove/critique Christian doctrine. It is a theological necessity posing to be a historical truth and it cannot be used to prove or disprove authenticity because authenticity relies on historical evidence that agrees with secular definition of corruption in textual criticismA theological doctrine should not be used to prove/disprove authenticity of religious texts or their parts. This is a category error.

The Islamic doctrine of Tahrif (Corruption) claims it happened in the 4-7th century. There are no writings in either the Quran or Hadith to support this specific time period. Moreover**, no scholarly resources outside Islamic theology** to prove corruptions did happen during this time period.**

Bart Ehrman's argument relies on a false magnification fallacy by treating thousands of minor, trivial spelling errors as if they represent a total corruption of the text. Just as multiplying the number of photocopies of a book multiplies minor typos, a massive collection of ancient manuscripts naturally generates a high volume of variants that actually give scholars the exact tools needed to cross-examine and verify the original wording.

The core doctrines of Christianity did not change because the vast ocean of textual variants consists almost entirely of minor spelling errors and trivial slips that leave the foundational narrative completely untouched. Because early manuscripts were copied independently across many different geographic regions, any accidental local error stands out immediately and can be easily corrected by cross-examining the overwhelming majority of matching texts. Therefore, even with hundreds of thousands of variations, the original teachings regarding the life, death, and resurrection of Jesus remain securely and consistently preserved.

In logic and legal investigation, using multiple texts with minor differences alongside agreement with the core claim as strong proof of truth is known as independent corroboration (or interlocking testimony). Detectives favor this dynamic because 100% identical wording across separate accounts is actually a major red flag for collusion or script fabrication; conversely, small variations in detail prove the sources recorded the events independently, while their overwhelming agreement on the core facts establishes the underlying event beyond a reasonable doubt. Dismissing an entire account due to these slight variations commits the fallacy of composition, wrongly assuming that because minor details differ, the central story must be false.

Here’s a summary of logical fallacies I am noticing:

1. Definitional Fallacy & Equivocation (Forcing Redefinitions)
In historical and textual criticism, "corruption" means scribal errors, additions, or lost original wording established through surviving physical manuscripts. Instead of using this objective standard, Islamic polemics often force a theological redefinition: corruption means any text that disagrees with the Quran.
Example: When you point out that 1st-century manuscripts (like the P75 papyrus or Codex Sinaiticus) explicitly affirm Jesus's divine Sonship, the arguer redefines "corruption" to mean that the original true Gospel (Injeel) given to Jesus was completely lost or altered before these physical copies were made. By imposing this untestable definition, they force you to evaluate manuscript preservation based on theological alignment rather than physical evidence.
2. Begging the Question / Circular Reasoning (Assuming the Conclusion)
The argument uses the Quran as the supreme judge to evaluate the Bible, assuming that Islam is already true to prove that the Bible was corrupted wherever it differs.
Example: An arguer will cite Deuteronomy 18:18 ("a prophet like you from among their brothers") and claim, "This is an uncorrupted prophecy predicting Muhammad." But when you cite the very next chapter or the surrounding context showing "brothers" refers to the twelve tribes of Israel (not Ishmaelites), they declare, "That part of the verse was corrupted by Jewish scribes." The criterion for what is "authentic" versus "corrupted" is simply whether or not it aligns with what the Quran already teaches.
3. Special Pleading & Moving the Goalposts (Unfalsifiable Double Standards)
This creates a heads-I-win, tails-you-lose double standard where biblical text is accepted as authoritative evidence only when it seems to support Islamic claims, but immediately dismissed as counterfeit the moment it contradicts them.
Example: They frequently cite John 14:16 ("I will ask the Father, and he will give you another Helper") to argue that Jesus predicted the coming of Muhammad. However, if you point to the very next verse, John 14:17, which explicitly states that this Helper is "the Spirit of truth, whom the world cannot accept... for he lives with you and will be in you," they pivot instantly, claiming that John 14:17 is a later scribal corruption. They accept verse 16 as accurate Scripture because it suits their argument, but reject verse 17 as corrupted because a human prophet cannot "live inside" believers.
4. The Straw Man Fallacy (Distorting the Opposition's Baseline)
By claiming Christians are using an "incorrect definition" of preservation, they misrepresent what Christians actually claim about textual history.
Example: They argue, "You claim the Bible is the 100% word-for-word unchanged word of God, but your own scholars admit there are thousands of textual variants!" This creates a straw man by confusing textual transmission variants (spelling, minor word order) with theological alteration, ignoring the fact that 95%+ of textual variants do not alter any core doctrine.

Clarification of my previous post:

https://www.reddit.com/r/DebateReligion/comments/1vhu89z/comment/p28a5ud/?screen_view_count=2&ext-referrer=DIRECT

reddit.com
u/Active_Barber870 — 14 days ago

The Tahrif should not be used to prove authenticity of the Quran or criticize authenticity of parts of the Bible or Torah

The doctrine of Tahrif is historically unverifiable independent of Islamic theology. Making it a purely theological stance rather than a historical truth. Therefore, it should not be used to defend the authenticity of Quranic claims and used as a presumed truth that happened in history to disprove/critique parts of the Bible that support Christian doctrines, yet disagree with Islam. It is a theological necessity posing to be a historical truth and it cannot be used to prove or disprove authenticity because authenticity relies on historical evidence that agrees with secular definition of corruption in textual criticismA theological doctrine should not be used to prove/disprove authenticity of religious texts or their parts. This is a category error.

Category error because they are taking a theological claim (tahrif)mixing it with the minor textual variations (their "evidence") and replacing the actual conclusion of scholars with the tahrif (corruption) to prove the tahrif (corruption). It's circular because they are using their own claim as an evidence. It's a categorical error because they are taking something they believe in faith with somebody else's evidence to disprove authenticity which requires historical evidence and reason (which they claim are the textual variations). Worse, they are misrepresenting what the textual criticisms actually conlude by replacing the conclusion. I actually shows that 95%+ of the contents of manuscripts agree with each other, with thousands of manuscripts with only minor variations, this is a proof of independent corroboration and a lack of falsification.

The Islamic doctrine of Tahrif (Corruption) claims it happened in the 4-7th century. There are no writings in either the Quran or Hadith to support this specific time period. Moreover**, no scholarly resources outside Islamic theology** to prove corruptions did happen during this time period.**

Bart Ehrman's argument relies on a false magnification fallacy by treating thousands of minor, trivial spelling errors as if they represent a total corruption of the text. Just as multiplying the number of photocopies of a book multiplies minor typos, a massive collection of ancient manuscripts naturally generates a high volume of variants that actually give scholars the exact tools needed to cross-examine and verify the original wording.

The core doctrines of Christianity did not change because the vast ocean of textual variants consists almost entirely of minor spelling errors and trivial slips that leave the foundational narrative completely untouched. Because early manuscripts were copied independently across many different geographic regions, any accidental local error stands out immediately and can be easily corrected by cross-examining the overwhelming majority of matching texts. Therefore, even with hundreds of thousands of variations, the original teachings regarding the life, death, and resurrection of Jesus remain securely and consistently preserved.

In logic and legal investigation, using multiple texts with minor differences alongside agreement with the core claim as strong proof of truth is known as independent corroboration (or interlocking testimony). Detectives favor this dynamic because 100% identical wording across separate accounts is actually a major red flag for collusion or script fabrication; conversely, small variations in detail prove the sources recorded the events independently, while their overwhelming agreement on the core facts establishes the underlying event beyond a reasonable doubt. Dismissing an entire account due to these slight variations commits the fallacy of composition, wrongly assuming that because minor details differ, the central story must be false.

Here’s a summary of logical fallacies I am noticing (AI-assisted):

1. Definitional Fallacy & Equivocation (Forcing Redefinitions)
In historical and textual criticism, "corruption" means scribal errors, additions, or lost original wording established through surviving physical manuscripts. Instead of using this objective standard, Islamic polemics often force a theological redefinition: corruption means any text that disagrees with the Quran.
Example: When you point out that 1st-century manuscripts (like the P75 papyrus or Codex Sinaiticus) explicitly affirm Jesus's divine Sonship, the arguer redefines "corruption" to mean that the original true Gospel (Injeel) given to Jesus was completely lost or altered before these physical copies were made. By imposing this untestable definition, they force you to evaluate manuscript preservation based on theological alignment rather than physical evidence.
2. Begging the Question / Circular Reasoning (Assuming the Conclusion)
The argument uses the Quran as the supreme judge to evaluate the Bible, assuming that Islam is already true to prove that the Bible was corrupted wherever it differs.
Example: An arguer will cite Deuteronomy 18:18 ("a prophet like you from among their brothers") and claim, "This is an uncorrupted prophecy predicting Muhammad." But when you cite the very next chapter or the surrounding context showing "brothers" refers to the twelve tribes of Israel (not Ishmaelites), they declare, "That part of the verse was corrupted by Jewish scribes." The criterion for what is "authentic" versus "corrupted" is simply whether or not it aligns with what the Quran already teaches.
3. Special Pleading & Moving the Goalposts (Unfalsifiable Double Standards)
This creates a heads-I-win, tails-you-lose double standard where biblical text is accepted as authoritative evidence only when it seems to support Islamic claims, but immediately dismissed as counterfeit the moment it contradicts them.
Example: They frequently cite John 14:16 ("I will ask the Father, and he will give you another Helper") to argue that Jesus predicted the coming of Muhammad. However, if you point to the very next verse, John 14:17, which explicitly states that this Helper is "the Spirit of truth, whom the world cannot accept... for he lives with you and will be in you," they pivot instantly, claiming that John 14:17 is a later scribal corruption. They accept verse 16 as accurate Scripture because it suits their argument, but reject verse 17 as corrupted because a human prophet cannot "live inside" believers.
4. The Straw Man Fallacy (Distorting the Opposition's Baseline)
By claiming Christians are using an "incorrect definition" of preservation, they misrepresent what Christians actually claim about textual history.
Example: They argue, "You claim the Bible is the 100% word-for-word unchanged word of God, but your own scholars admit there are thousands of textual variants!" This creates a straw man by confusing textual transmission variants (spelling, minor word order) with theological alteration, ignoring the fact that 95%+ of textual variants do not alter any core doctrine.

Clarification of my previous post:

https://www.reddit.com/r/DebateReligion/comments/1vhu89z/comment/p28a5ud/?screen_view_count=2&ext-referrer=DIRECT

reddit.com
u/Active_Barber870 — 14 days ago

The Torah/Bible Was Not Corrupted as Islam Claims

Meaning: The doctrine of Tahrif is historically unverifiable independent of Islamic theology. Making it a purely theological stance rather than a historical truth. Therefore, it should not be used to defend the authenticity of Quranic claims and used as a presumed truth that happened in history to disprove/critique authenticity of the Bible that supports Christian doctrine. It is a theological necessity posing to be a historical truth and it cannot be used to prove or disprove authenticity because authenticity relies on historical evidence that agrees with secular definition of corruption in textual criticism. A theological doctrine should not be used to prove/disprove authenticity of religious texts or their parts. This is a category error.

Category error because they are taking a theological claim (tahrif)mixing it with the minor textual variations (their "evidence") and replacing the actual conclusion of scholars with the tahrif (corruption) to prove the tahrif (corruption). It's circular because they are using their own claim as an evidence. It's a categorical error because they are taking something they believe in faith with somebody else's evidence to disprove authenticity which requires historical evidence and reason (which they claim are the textual variations). Worse, they are misrepresenting what the textual criticisms actually conlude by replacing the conclusion. I actually shows that 95%+ of the contents of manuscripts agree with each other, with thousands of manuscripts with only minor variations, this is a proof of independent corroboration and a lack of falsification.

(Edit for clarification)

We know the prophet Muhammad’s revelations are applicable from 610 AD to the present time.

Surah 2:79-80
So woe1 to those who distort the Scripture with their own hands then say, “This is from Allah”—seeking a fleeting gain! So woe to them for what their hands have written, and woe to them for what they have earned. ˹******Some of******˺ **the Jews claim,** “The Fire will not touch us except for a number of days.” Say, ˹O Prophet,˺ “Have you taken a pledge from Allah—for Allah never breaks His word—or are you ˹just˺ saying about Allah what you do not know?”

Surah 4:46
**Some Jews take words out of context** and say, “We listen and we disobey,” “Hear! May you never hear,” and “Râ’ina!”—playing with words and discrediting the faith. Had they said ˹courteously˺, “We hear and obey,” “Listen to us,” and “Unẓurna,” it would have been better for them and more proper. God has condemned them for their disbelief, so they do not believe except for a few.

My Statements:

  1. **Some Jews (not all, and not Christians)** were altering the texts **around 610 AD.** The Bible was canonized by the Catholic church in **393 AD** and secured by the Magisterium. How do these verses say the Bible was corrupted when it was secured and preserved **200+ years ago?**
  2. If Jews indeed corrupted THEIR text, **why do the dead sea scrolls of the Old Testament discovered in 1940-1950s agree with the Old Testament of the Christians when they were inaccessible for a long time?**

**Edit: The Islamic doctrine of Tahrif (Corruption) claims it happened in the 4-7th century. There are no writings in either the Quran or Hadith to support this specific time period. Moreover**, no scholarly resources outside Islamic theology** to prove corruptions did happen during this time period.**

Bart Ehrman's argument relies on a false magnification fallacy by treating thousands of minor, trivial spelling errors as if they represent a total corruption of the text. Just as multiplying the number of photocopies of a book multiplies minor typos, a massive collection of ancient manuscripts naturally generates a high volume of variants that actually give scholars the exact tools needed to cross-examine and verify the original wording.

The core doctrines of Christianity did not change because the vast ocean of textual variants consists almost entirely of minor spelling errors and trivial slips that leave the foundational narrative completely untouched. Because early manuscripts were copied independently across many different geographic regions, any accidental local error stands out immediately and can be easily corrected by cross-examining the overwhelming majority of matching texts. Therefore, even with hundreds of thousands of variations, the original teachings regarding the life, death, and resurrection of Jesus remain securely and consistently preserved.

In logic and legal investigation, using multiple texts with minor differences alongside agreement with the core claim as strong proof of truth is known as independent corroboration (or interlocking testimony). Detectives favor this dynamic because 100% identical wording across separate accounts is actually a major red flag for collusion or script fabrication; conversely, small variations in detail prove the sources recorded the events independently, while their overwhelming agreement on the core facts establishes the underlying event beyond a reasonable doubt. Dismissing an entire account due to these slight variations commits the fallacy of composition, wrongly assuming that because minor details differ, the central story must be false.

Here’s a summary of logical fallacies I am noticing:

1. Definitional Fallacy & Equivocation (Forcing Redefinitions)
How it works: In historical and textual criticism, "corruption" means scribal errors, additions, or lost original wording established through surviving physical manuscripts. Instead of using this objective standard, Islamic polemics often force a theological redefinition: corruption means any text that disagrees with the Quran.
Specific Example: When you point out that 1st-century manuscripts (like the P75 papyrus or Codex Sinaiticus) explicitly affirm Jesus's divine Sonship, the arguer redefines "corruption" to mean that the original true Gospel (Injeel) given to Jesus was completely lost or altered before these physical copies were made. By imposing this untestable definition, they force you to evaluate manuscript preservation based on theological alignment rather than physical evidence.
2. Begging the Question / Circular Reasoning (Assuming the Conclusion)
How it works: The argument uses the Quran as the supreme judge to evaluate the Bible, assuming that Islam is already true to prove that the Bible was corrupted wherever it differs.
Specific Example: An arguer will cite Deuteronomy 18:18 ("a prophet like you from among their brothers") and claim, "This is an uncorrupted prophecy predicting Muhammad." But when you cite the very next chapter or the surrounding context showing "brothers" refers to the twelve tribes of Israel (not Ishmaelites), they declare, "That part of the verse was corrupted by Jewish scribes." The criterion for what is "authentic" versus "corrupted" is simply whether or not it aligns with what the Quran already teaches.
3. Special Pleading & Moving the Goalposts (Unfalsifiable Double Standards)
How it works: This creates a heads-I-win, tails-you-lose double standard where biblical text is accepted as authoritative evidence only when it seems to support Islamic claims, but immediately dismissed as counterfeit the moment it contradicts them.
Specific Example: Apologists frequently cite John 14:16 ("I will ask the Father, and he will give you another Helper") to argue that Jesus predicted the coming of Muhammad. However, if you point to the very next verse—John 14:17, which explicitly states that this Helper is "the Spirit of truth, whom the world cannot accept... for he lives with you and will be in you"—they pivot instantly, claiming that John 14:17 is a later scribal corruption. They accept verse 16 as accurate Scripture because it suits their argument, but reject verse 17 as corrupted because a human prophet cannot "live inside" believers.
4. The Straw Man Fallacy (Distorting the Opposition's Baseline)
How it works: By claiming Christians are using an "incorrect definition" of preservation, they misrepresent what Christians actually claim about textual history.
Specific Example: They may argue, "You claim the Bible is the 100% word-for-word unchanged word of God, but your own scholars admit there are thousands of textual variants!" This creates a straw man by confusing textual transmission variants (spelling, minor word order) with theological alteration, ignoring the fact that 95%+ of textual variants do not alter any core doctrine.

Thanks!!

reddit.com
u/Active_Barber870 — 15 days ago