Nat.exists_lt_card_nth_eq

∀ {p : ℕ → Prop} {x : ℕ}, p x → ∃ n, (∀ (hf : (Set.ofPred p).Finite), n < hf.toFinset.card) ∧ Nat.nth p n = x

Defined in: Mathlib.Data.Nat.Nth
Cited by: 3 results in Mathlib
Foundations: Depth 87 from the axioms · uses propext, Classical.choice, Quot.sound

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