Mathlib v3 is deprecated. Go to Mathlib v4

Def mul_equiv.to_Semigroup_iso

Modification history

2021-02-26 07:13
src/algebra/category/Semigroup/basic.lean
feat(algebra/category/Semigroup/basic): categories of magmas and semigroups (#6387) …
Added mul_equiv.to_Semigroup_isoView on Github →