Theorem WithZero.zero_mul

Modification history

2023-01-25 20:19
Mathlib/Algebra/Group/WithOne/Defs.lean
Refactor: use `Option.map₂` (#1439) …
Deleted WithZero.zero_mulView on Github →
2022-12-06 03:48
Mathlib/Algebra/Group/WithOne/Defs.lean
feat: port Algebra.Group.WithOne.Defs (#841) …
Added WithZero.zero_mulView on Github →