finsum

{M : Type u_7} → {α : Sort u_8} → [AddCommMonoid M] → (α → M) → M

Sum of f x as x ranges over the elements of the support of f, if it's finite. Zero otherwise.

Defined in: Mathlib.Algebra.BigOperators.Finprod
Cited by: 286 results in Mathlib
Foundations: Depth 70 from the axioms, rests on 1,015 definitions · uses propext, Classical.choice, Quot.sound
Assumes: AddCommMonoid

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