leanprover / theorem_proving_in_lean4

Theorem Proving in Lean 4
https://leanprover.github.io/theorem_proving_in_lean4/
Apache License 2.0
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fix: `protected Nat.add_zero` #52

Closed digama0 closed 2 years ago

digama0 commented 2 years ago

Counterpart to leanprover/lean4#1817.