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Theorem star_inv

Modification history

2022-03-02 02:44
src/algebra/star/basic.lean
feat(algebra/star): replace star_monoid with star_semigroup (#12299) …
Modified star_invView on Github →
2021-10-12 15:09
src/algebra/star/basic.lean
feat(algebra/star/basic): add some helper lemmas about star (#9651) …
Added star_invView on Github →