Theorem inv_ne_zero

Modification history

2023-09-06 11:21
Mathlib/Algebra/GroupWithZero/Basic.lean
chore: split Mathlib.Algebra.Invertible (#6973) …
Modified inv_ne_zeroView on Github →
2022-11-25 16:37
Mathlib/Algebra/GroupWithZero/Basic.lean
feat: port Algebra.GroupWithZero.Basic (#669) …
Added inv_ne_zeroView on Github →