Theorem MulEquiv.map_isUnit_iff

Modification history

2024-10-08 12:10
Mathlib/Algebra/Group/Units/Equiv.lean
refactor: generalise `IsLocalRingHom` to monoids (#6045) …
Deleted MulEquiv.map_isUnit_iffView on Github →
2024-03-13 10:15
Mathlib/Algebra/Group/Units/Equiv.lean
feat(Algebra/Ring/Equiv): add lemma isUnit_iff (#11237) …
Added MulEquiv.map_isUnit_iffView on Github →