Theorem Subsemigroup.map_infᵢ_comap_of_surjective

Modification history

2023-05-14 07:05
Mathlib/GroupTheory/Subsemigroup/Operations.lean
chore: Rename to `sSup`/`iSup` (#3938) …
Deleted Subsemigroup.map_infᵢ_comap_of_surjectiveView on Github →
2022-12-31 09:21
Mathlib/GroupTheory/Subsemigroup/Operations.lean
feat: port GroupTheory.Subsemigroup.Operations (#1235)
Added Subsemigroup.map_infᵢ_comap_of_surjectiveView on Github →