ClaudSkills / Science & Research / math-stats

Informal Fallacies

Quality score: 70/100 · Category: Science & Research · Sub-category: math-stats

Catalog of informal fallacies with definitions, canonical examples, and detection heuristics. Covers relevance fallacies (ad hominem, straw man, red herring, appeal to authority, appeal to emotion), presumption fallacies (false dichotomy, complex question, begging the question), ambiguity fallacies (equivocation, amphiboly, accent), causal fallacies (post hoc, slippery slope, correlation-causation), and statistical fallacies (hasty generalization, cherry-picking). Use when evaluating arguments for rhetorical or informal reasoning errors.

What this skill does

Informal Fallacies is a production-ready Claude Code skill (quality score 70/100) in the math-stats sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/informal-fallacies/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when evaluating arguments for rhetorical or informal reasoning errors.

Who uses this skill

The Informal Fallacies skill is built for researchers, data scientists, academics, and analysts working with complex data and scientific literature. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/informal-fallacies
curl -L https://claudskills.com/skills/informal-fallacies/SKILL.md \
  -o ~/.claude/skills/informal-fallacies/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/informal-fallacies/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/informal-fallacies/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\informal-fallacies\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

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