Theorem Ideal.isOpen_of_open_subideal

Modification history

2023-12-01 16:02
Mathlib/Topology/Algebra/OpenSubgroup.lean
chore: rename lemmas containing "of_open" to match the naming convention (#8229) …
Deleted Ideal.isOpen_of_open_subidealView on Github →
2023-03-17 12:26
Mathlib/Topology/Algebra/OpenSubgroup.lean
feat: port Topology.Algebra.OpenSubgroup (#2889)
Added Ideal.isOpen_of_open_subidealView on Github →