Theorems · Definition · general algebraic systems

Finsupp.optionElim

{α : Type u_1} → {M : Type u_2} → [inst : Zero M] → M → (α →₀ M) → Option α →₀ M

Extend a finitely supported function on α to a finitely supported function on Option α, provided a default value for none.

Defined in

Mathlib.Data.Finsupp.Option

Cited by

16 results in Mathlib

Foundations

Depth 74 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

Zero