Theorems · Theorem · algebraic topology

Topology.RelCWComplex.isClosed_closedCell

∀ {X : Type u_1} [t : TopologicalSpace X] {C D : Set X} [inst : Topology.RelCWComplex C D] [T2Space X] {n : ℕ}
  {i : Topology.RelCWComplex.cell C n}, IsClosed (Topology.RelCWComplex.closedCell n i)

Defined in

Mathlib.Topology.CWComplex.Classical.Basic

Cited by

4 results in Mathlib

Foundations

Depth 159 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

TopologicalSpaceTopology.RelCWComplexT2Space