Def Homeomorph.emptySum

Modification history

2025-03-11 15:38
Mathlib/Topology/Constructions/SumProd.lean
chore(Topology/Constructions): split out results about sums, products and distributivity (#22827) …
Modified Homeomorph.emptySumView on Github →
2024-08-30 01:03
Mathlib/Topology/Homeomorph.lean
feat: disjoint union of topological spaces is commutative and associative (#15982) …
Added Homeomorph.emptySumView on Github →