Theorem Topology.CWComplex.Subcomplex.CWComplex.Subcomplex.union

Modification history

2025-08-29 09:05
Mathlib/Topology/CWComplex/Classical/Basic.lean
feat: subcomplexes of a classical CW complex (#26201) …
Added Topology.CWComplex.Subcomplex.CWComplex.Subcomplex.unionView on Github →