Theorem WithLowerSetTopology.IsLowerSet_toLowerSet_preimage

Modification history

2023-09-14 06:57
Mathlib/Topology/Order/UpperLowerSetTopology.lean
chore: tidy various files (#7137)
Deleted WithLowerSetTopology.IsLowerSet_toLowerSet_preimageView on Github →
2023-09-08 07:26
Mathlib/Topology/Order/UpperLowerSetTopology.lean
feat: Functoriality of `WithUpperSetTopology` (#6988) …
Added WithLowerSetTopology.IsLowerSet_toLowerSet_preimageView on Github →