Theorems · Theorem · algebraic topology

Topology.RelCWComplex.cellFrontier_one_eq

∀ {X : Type u_1} [t : TopologicalSpace X] {C D : Set X} [inst : Topology.RelCWComplex C D]
  (e : Topology.RelCWComplex.cell C 1),
  Topology.RelCWComplex.cellFrontier 1 e = ↑(Topology.RelCWComplex.map 1 e) '' {-1, 1}

Defined in

Mathlib.Topology.CWComplex.Classical.Basic

Cited by

2 results in Mathlib

Foundations

Depth 157 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

TopologicalSpaceTopology.RelCWComplex