Theorem smul_ne_zero_iff_ne'

Modification history

2024-01-06 14:22
Mathlib/GroupTheory/GroupAction/Group.lean
feat: `c • x = 0 ↔ c = 0` and similar lemmas (#9390) …
Deleted smul_ne_zero_iff_ne'View on Github →
2022-12-22 16:23
Mathlib/GroupTheory/GroupAction/Group.lean
feat port: GroupTheory.GroupAction.Group (#1146)
Added smul_ne_zero_iff_ne'View on Github →