Fin.succAbove

{n : ℕ} → Fin (n + 1) → Fin n → Fin (n + 1)

succAbove p i embeds Fin n into Fin (n + 1) with a hole around p.

Defined in: Mathlib.Data.Fin.SuccPred
Cited by: 249 results in Mathlib
Foundations: Depth 18 from the axioms, rests on 90 definitions · uses no axioms

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