CategoryTheory.Codiscrete.equivFun

{X : Type u} →
  {n : ℕ} → (CategoryTheory.nerve (CategoryTheory.Codiscrete X)).obj (Opposite.op { len := n }) ≃ (Fin (n + 1) → X)

Since the morphisms in a codiscrete category do not carry information, an n-simplex of coherentIso is equivalent to an X-vector of length (n + 1).

Defined in: Mathlib.AlgebraicTopology.SimplicialSet.NerveCodiscrete
Cited by: 3 results in Mathlib
Foundations: Depth 62 from the axioms · uses propext, Classical.choice, Quot.sound

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