Fintype.subtype

{α : Type u_1} → {p : α → Prop} → (s : Finset α) → (∀ (x : α), x ∈ s ↔ p x) → Fintype { x // p x }

Given a predicate that can be represented by a finset, the subtype associated to the predicate is a fintype.

Defined in: Mathlib.Data.Fintype.Defs
Cited by: 2 results in Mathlib
Foundations: Depth 57 from the axioms · uses propext, Classical.choice, Quot.sound

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