Theorems · Theorem · algebraic topology

SSet.skeletonOfMono_succ

∀ {X Y : SSet} (i : X ⟶ Y) (n : ℕ),
  (SSet.skeletonOfMono i) (n + 1) =
    (SSet.skeletonOfMono i) n ⊔
      ⨆ x, ⨆ (_ : ↑x ∉ (SSet.Subcomplex.range i).obj (Opposite.op { len := n })), SSet.Subcomplex.ofSimplex ↑x

Defined in: Mathlib.AlgebraicTopology.SimplicialSet.Skeleton
Cited by: 1 results in Mathlib
Foundations: Depth 88 from the axioms · uses propext, Classical.choice, Quot.sound

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Cited by1

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SSet.relativeCellComplexOfMono.sup_range_r_range_bproof · cited by 1