Fin.cons

{n : ℕ} → {α : Fin (n + 1) → Sort u} → α 0 → ((i : Fin n) → α i.succ) → (i : Fin (n + 1)) → α i

Adding an element at the beginning of an n-tuple, to get an n+1-tuple.

Defined in: Mathlib.Data.Fin.Tuple.Basic
Cited by: 190 results in Mathlib
Foundations: Depth 30 from the axioms, rests on 162 definitions · uses propext

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