Theorem IsOpen.mul_closure

Modification history

2023-11-01 07:43
Mathlib/Topology/Algebra/Group/Basic.lean
feat: multiplication by `closure {1}` in topological groups does not change closed and open subsets (#7858)
Modified IsOpen.mul_closureView on Github →
2023-02-21 20:43
Mathlib/Topology/Algebra/Group/Basic.lean
feat: port Topology.Algebra.Group.Basic (#2267)
Added IsOpen.mul_closureView on Github →