Theorem Subgroup.isCoatom_comap_of_surjective

Modification history

2024-07-01 22:27

Mathlib/Algebra/Group/Subgroup/Basic.lean

chore (Subgroup.Order): move ordered facts out of `Basic` and into `Order` (#14121) …

Modified Subgroup.isCoatom_comap_of_surjective View on Github →

2024-06-05 07:22

Mathlib/Algebra/Group/Subgroup/Basic.lean

feat(GroupTheory/Frattini): definition and first theorem (#13418) …

Added Subgroup.isCoatom_comap_of_surjective View on Github →