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🐛 Lean4 Theorem Proving

Use when working with Lean 4 (.lean files), writing mathematical proofs, seeing "failed to synthesize instance" errors, managing sorry/axiom elimination, or searching mathlib for lemmas - provides build-first workflow, haveI/letI patterns, compiler-guided repair, and LSP integration

QUICK INSTALL
npx playbooks add skill cameronfreer/lean4-skills --skill lean4-theorem-proving

About

Use when working with Lean 4 (.lean files), writing mathematical proofs, seeing "failed to synthesize instance" errors, managing sorry/axiom elimination, or searching mathlib for lemmas - provides build-first workflow, haveI/letI patterns, compiler-guided repair, and LSP integration. This skill provides a specialized system prompt that configures your AI coding agent as a lean4 theorem proving expert, with detailed methodology and structured output formats.

Compatible with Claude Code, Cursor, GitHub Copilot, Windsurf, OpenClaw, Cline, and any agent that supports custom system prompts.

Example Prompts

Get started Help me use the Lean4 Theorem Proving skill effectively.

System Prompt (36 words)

Use when working with Lean 4 (.lean files), writing mathematical proofs, seeing "failed to synthesize instance" errors, managing sorry/axiom elimination, or searching mathlib for lemmas - provides build-first workflow, haveI/letI patterns, compiler-guided repair, and LSP integration

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