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Theorem inv_involutive₀

Modification history

2022-02-16 11:53
src/algebra/group_with_zero/basic.lean
refactor(algebra/group/basic): add extra typeclasses for negation (#11960) …
Deleted inv_involutive₀View on Github →
2021-10-01 03:25
src/algebra/group_with_zero/basic.lean
refactor(algebra/group_with_zero): rename lemmas to use ₀ instead of ' (#9424) …
Added inv_involutive₀View on Github →