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Theorems · Theorem · order theory

Fintype.sum_pos_iff_of_nonneg

∀ {ι : Type u_1} {M : Type u_4} [inst : Fintype ι] [inst_1 : AddCommMonoid M] [inst_2 : PartialOrder M]
  [IsOrderedCancelAddMonoid M] {f : ι → M}, 0 ≤ f → (0 < ∑ i, f i ↔ 0 < f)
Defined in
Mathlib.Algebra.Order.BigOperators.Group.Finset
Cited by
1 results in Mathlib
Foundations
Depth 57 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
FintypeAddCommMonoidPartialOrderIsOrderedCancelAddMonoid

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