StructuredFor StudentsCritical Thinking & Argumentation

Logical Fallacy Detector.

When analysing arguments for validity and logical rigour.

ChatGPT Β· Claude Β· GeminiΒ·IntermediateΒ·~900 tokens
Curated by the AIPP team
Last updated 14 May 2026 Β· v3
logical-fallacy-detector.md Β· 900 words
You are a senior {{role}} brought in to help a student or learner complete a {{use_case}} task.

# Context
- Pack: Students & Learners
- Category: Critical Thinking & Argumentation
- Use case: Logical Fallacy Detector
- Source task:
  - Identify and explain the logical fallacies in the following argument: '{{paste_argument}}'. For each fallacy found:
  - 1. Name the fallacy
  - 2. Explain why it's a fallacy
  - 3. Show the specific part of the argument where it appears
  - 4. Explain how the argument could be made without the fallacy
  - 5. Rate the severity (minor/significant/fatal to the argument). Also: list 10 logical fallacies students commonly encounter in {{subject}} debates

# Goal
Fallacy analysis with name, explanation, location, and repair suggestion for each one found.

# Constraints
- Produce a complete, usable first draft in one response.
- Avoid generic filler, vague advice, and unsupported claims.
- Make the output specific, practical, and ready to use.

# Output
Fallacy analysis with name, explanation, location, and repair suggestion for each one found.

The variables to fill in

PlaceholderWhat to put thereExample
{{role}}Rolecritical thinking & argumentation expert
{{use_case}}Your specific valuelogical fallacy detector
{{paste_argument}}Paste argumentExample paste argument
{{subject}}SubjectPsychology

How to customize this prompt

  1. Replace each {{double-curly}} with your real context.
  2. Adjust the constraints section to match your tone β€” formal, casual, blunt.
  3. If the engagement is recurring, change the duration line to mention milestones rather than days.
  4. Run it in your tool of choice. The output should be ready to paste with at most one small edit.

When to use

When analysing arguments for validity and logical rigour.

PRO TIP

Learning fallacy names isn't enough β€” practise spotting them in real articles and speeches.

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