Theorem discreteTopology_subtype_iff

Modification history

2025-10-14 22:19
Mathlib/Topology/Constructions.lean
feat(Topology/Algebra): discrete iff finite index subgroup discrete (#29743) …
Modified discreteTopology_subtype_iffView on Github →
2024-01-25 09:21
Mathlib/Topology/Constructions.lean
chore(Topology/Constructions): rename most type variables (#9863) …
Modified discreteTopology_subtype_iffView on Github →
2023-11-16 19:44
Mathlib/Topology/Constructions.lean
style: cleanup by putting `by` on the same line as `:=` (#8407)
Modified discreteTopology_subtype_iffView on Github →
2023-01-31 20:49
Mathlib/Topology/Constructions.lean
feat: port Topology.Constructions (#1906)
Added discreteTopology_subtype_iffView on Github →