Theorem Set.preimage_one

Modification history

2023-08-10 19:52
Mathlib/Algebra/Group/Pi.lean
chore: banish `Type _` and `Sort _` (#6499) …
Modified Set.preimage_oneView on Github →
2022-12-18 21:16
Mathlib/Algebra/Group/Pi.lean
feat: port algebra.group.pi (#1088) …
Added Set.preimage_oneView on Github →