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CFL pumping lemma + aⁿbⁿcⁿ ∉ CFL — machine-checked from scratch in Lean#106

Merged
hyperpolymath merged 2 commits into
mainfrom
claude/v2-grammar-proofs-audit-1yqgxh
Jun 27, 2026
Merged

CFL pumping lemma + aⁿbⁿcⁿ ∉ CFL — machine-checked from scratch in Lean#106
hyperpolymath merged 2 commits into
mainfrom
claude/v2-grammar-proofs-audit-1yqgxh

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Commits on Jun 27, 2026