Mathlib Changelog
v4
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IsOpen.div_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.div_closure
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2023-02-21 20:43
Mathlib/Topology/Algebra/Group/Basic.lean
feat: port Topology.Algebra.Group.Basic (#2267)
Added
IsOpen.div_closure
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