Mathlib Map

Theorems · Definition · general algebraic systems

DFinsupp.single

{ι : Type u} → {β : ι → Type v} → [inst : (i : ι) → Zero (β i)] → [DecidableEq ι] → (i : ι) → β i → Π₀ (i : ι), β i

The function single i b : Π₀ i, β i sends i to b and all other points to 0.

Defined in
Mathlib.Data.DFinsupp.Defs
Cited by
113 results in Mathlib
Foundations
Depth 21 from the axioms, rests on 93 definitions · uses propext, Quot.sound
Assumes
ZeroDecidableEq

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