Theorems · Theorem · algebraic topology

Topology.CWComplex.cellFrontier_subset_skeleton

∀ {X : Type u_1} [t : TopologicalSpace X] {C D : Set X} [inst : T2Space X] [inst_1 : Topology.RelCWComplex C D] (n : ℕ)
  (j : Topology.RelCWComplex.cell C (n + 1)),
  Topology.RelCWComplex.cellFrontier (n + 1) j ⊆ ↑(Topology.RelCWComplex.skeleton C ↑n)

Alias of Topology.RelCWComplex.cellFrontier_subset_skeleton.

Defined in

Mathlib.Topology.CWComplex.Classical.Basic

Cited by

0 results in Mathlib

Foundations

Depth 169 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

TopologicalSpaceT2SpaceTopology.RelCWComplex