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Theorems · Theorem · ring theory

Finsupp.support_finsetSum

∀ {α : Type u_1} {β : Type u_7} {M : Type u_8} [inst : DecidableEq β] [inst_1 : AddCommMonoid M] {s : Finset α}
  {f : α → β →₀ M}, (s.sum f).support ⊆ s.biUnion fun x => (f x).support
Defined in
Mathlib.Algebra.BigOperators.Finsupp.Basic
Cited by
3 results in Mathlib
Foundations
Depth 76 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
DecidableEqAddCommMonoid

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