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Theorems · Theorem · ring theory

Finsupp.univ_sum_single

∀ {α : Type u_1} {M : Type u_8} [inst : Fintype α] [inst_1 : AddCommMonoid M] (f : α →₀ M), (∑ a, fun₀ | a => f a) = f

The Finsupp version of Finset.univ_sum_single

Defined in
Mathlib.Algebra.BigOperators.Finsupp.Basic
Cited by
6 results in Mathlib
Foundations
Depth 73 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
FintypeAddCommMonoid

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Cites12

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Cited by6

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