Finsupp.sum

{α : Type u_1} → {M : Type u_8} → {N : Type u_10} → [inst : Zero M] → [AddCommMonoid N] → (α →₀ M) → (α → M → N) → N

sum f g is the sum of g a (f a) over the support of f.

Defined in: Mathlib.Algebra.BigOperators.Finsupp.Basic
Cited by: 481 results in Mathlib
Foundations: Depth 59 from the axioms, rests on 846 definitions · uses propext, Classical.choice, Quot.sound
Assumes: Zero AddCommMonoid

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