Bab-ul-Ilm

Fallacy 1: Ad Hominem, Fallacy 2: Ad Populum

Session 10 — Ten Fallacies (Al-Mughalataat)

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Two fallacies, everywhere: These two fallacies appear in almost every heated religious or political debate. Once you can name them, you can neutralise them instantly.

  • Ad Hominem — attacking the person instead of the argument. Definition: instead of addressing what someone said, the arguer attacks who said it — their character, their background, their past, their group, their motives. The argument's content is ignored; the speaker is targeted. Structure: "Person X makes argument A. Person X is bad/wrong/biased/sinful/from that group. Therefore argument A is false." That is a fallacy. Why it is a fallacy: the truth or falsehood of an argument is completely independent of who said it. A corrupt person can state a truth; a saint can make a logical error. Attack the argument, not the person. Islamic examples: "Don't trust his interpretation — he studied in that seminary" ✗; "Ignore his Hadith analysis — he is a Mutasahil (lenient scholar)" ✗; "His fatwa is wrong because he receives government funding" ✗. The counter: say, "Whether or not I trust this person — please show me where specifically the argument is logically incorrect or the Hadith is weak. Attack the evidence, not the person." Ibn Sina noted this as "al-Intiqal ila al-Shakhsiyya" — one of the most widespread errors in Kalam disputes.
  • Ad Populum — appeal to the majority as proof of truth. Definition: claiming that because many people — or most people — or the majority of scholars — believe something, it must therefore be true. Popularity is presented as if it were evidence. Structure: "Most people believe X (or most scholars say X). Therefore X is true." That is a fallacy. Why it is a fallacy: truth is not determined by vote. The majority of humanity has been wrong many times in history — about the earth being flat, about slavery, about countless things. In Mantiq, truth is determined by Burhan, not by headcount. Islamic examples: "The majority of scholars accept this — so it must be correct" ✗ (without evidence); "Muslims all over the world do X — so X is acceptable" ✗; "This belief has been held for 1000 years — so it must be right" ✗ (age ≠ truth). Important distinction: Ijma' (scholarly consensus in Fiqh) is not the same as this fallacy — Ijma' has specific conditions, specific scope, and specific evidential weight in Islamic jurisprudence. "Everyone does it" is not Ijma'. The counter: say, "How many people believe X does not tell me if X is true. Please give me the evidence — the Burhan — for X itself." Imam Ali (AS) is quoted in Nahjul Balagha: "Do not judge truth by the number of its followers — and falsehood by the number who reject it." — to be checked..
Example

The combined attack: The combined attack: often Ad Hominem and Ad Populum are used together — "You are the only one saying this, everyone disagrees with you, and you are known to be unreliable." Two fallacies at once — zero actual evidence.

Demand the argument: The trained scholar recognises both instantly and demands: "Give me the argument — not the vote — not the biography."

Key Terms

  • Ad Hominem (الشخصیة) — person attack
  • Ad Populum (الکثرة) — majority appeal
  • Ijma' (الاجماع) — scholarly consensus

Quran or Hadith

Imam Ali (AS) in Nahjul Balagha, as shown on the slide. — to be checked.

Fresh diagram to be drawn: Two "spot the fallacy" cards in the Reader: the argument structure, why it fails, the Islamic example, and the counter — for Ad Hominem and Ad Populum. To be drawn in Project Desk colours.

💡 Remember:
  • These two fallacies appear in almost every heated religious or political debate.
  • The combined attack: often Ad Hominem and Ad Populum are used together — "You are the only one saying this, everyone disagrees with you, and you are known to be unreliable."

Check your understanding

Total Marks: 3

Q1. "Don't trust his interpretation — he studied in that seminary" is an example of:(1 mark)

Q2. "The majority of scholars accept this — so it must be correct" (without evidence) is an example of:(1 mark)

Q3. A corrupt person can state a truth.(1 mark)