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Theorems · Definition · combinatorics

Finset.equivFin

{α : Type u_1} → (s : Finset α) → ↥s ≃ Fin s.card

Noncomputable equivalence between a finset s coerced to a type and Fin #s.

Defined in
Mathlib.Data.Fintype.EquivFin
Cited by
15 results in Mathlib
Foundations
Depth 63 from the axioms · uses propext, Classical.choice, Quot.sound

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Cited by16

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