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Formal Logic

Agent skill
1 skill

Formal and informal logic for philosophical reasoning. Covers propositional logic (connectives, truth tables, tautologies), predicate logic (quantifiers, validity), syllogistic logic (Aristotle's original forms), natural deduction (introduction/elimination rules), modal logic (necessity, possibility, possible worlds), and a catalog of 15+ informal fallacies. Use when analyzing arguments, identifying logical form, evaluating validity and soundness, or detecting fallacious reasoning.

Install with
Claude CodeCodexCursorGitHub CopilotGemini CLI

Supported by the Atlas install prompt. Skill-specific requirements vary.

Skill stats

Skills1CategoryGeneralStars0

About this skill

Formal and informal logic for philosophical reasoning. Covers propositional logic (connectives, truth tables, tautologies), predicate logic (quantifiers, validity), syllogistic logic (Aristotle's original forms), natural deduction (introduction/elimination rules), modal logic (necessity, possibility, possible worlds), and a catalog of 15+ informal fallacies. Use when analyzing arguments, identifying logical form, evaluating validity and soundness, or detecting fallacious reasoning.

Quick start

  1. Copy the install prompt. Use the green button above this README.
  2. Send it to your agent. Paste it into your coding agent’s chat and send.
  3. Review the setup. Your agent checks the skill’s instructions, requirements, and installation scope.
Review, license & listing details
Review the source before using this skill

This is an imported listing. We haven’t certified its safety, license, or compatibility. Skills may include executable scripts.

Automated security scan: Partial

Only SKILL.md was scanned. Supporting files and scripts were not checked. No safety grade has been assigned.

0 potential findings · Scanned 11/4/2026 · Scanner 0.2.1

Content SHA-256: 52d664df758427cac6c4cec578d6a0f04938b44a4beb3a9154450695ebfa782f

About scan coverage and limitations

About this listing

Category
General
Reported license
Not specified
Listing language (estimated)
English
Review status
Not individually reviewed
Agent compatibility
Atlas installation supports Claude Code, Codex, and Cursor. Skill-specific dependencies and features are checked during setup.
Formal Logic | Agent Skills Atlas