Finsupp.single

{α : Type u_1} → {M : Type u_5} → [inst : Zero M] → α → M → α →₀ M

single a b is the finitely supported function with value b at a and zero otherwise.

Defined in: Mathlib.Data.Finsupp.Single
Cited by: 943 results in Mathlib
Foundations: Depth 59 from the axioms, rests on 831 definitions · uses propext, Classical.choice, Quot.sound
Assumes: Zero

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