Theorem isOpen_sum_iff

Modification history

2024-01-25 09:21
Mathlib/Topology/Constructions.lean
chore(Topology/Constructions): rename most type variables (#9863) …
Modified isOpen_sum_iffView on Github →
2023-01-31 20:49
Mathlib/Topology/Constructions.lean
feat: port Topology.Constructions (#1906)
Added isOpen_sum_iffView on Github →