Mathlib v3 is deprecated. Go to Mathlib v4

Theorem mul_equiv.with_one_congr_refl

Modification history

2022-12-02 15:06
src/algebra/group/with_one/basic.lean
chore(algebra/order/group/defs): split file (#17787) …
Modified mul_equiv.with_one_congr_reflView on Github →
2022-02-28 12:46
src/algebra/group/with_one.lean
feat(algebra/{group/with_one,order/monoid}): equivs for `with_zero` and `with_one` (#12275) …
Added mul_equiv.with_one_congr_reflView on Github →