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Theorems · Theorem · order theory

List.apply_prod_le_sum_map

∀ {α : Type u_5} {β : Type u_6} [inst : Monoid α] [inst_1 : AddMonoid β] [inst_2 : Preorder β] [AddLeftMono β]
  (l : List α) (f : α → β), f 1 ≤ 0 → (∀ (a b : α), f (a * b) ≤ f a + f b) → f l.prod ≤ (List.map f l).sum
Defined in
Mathlib.Algebra.Order.BigOperators.Group.List
Cited by
5 results in Mathlib
Foundations
Depth 9 from the axioms · uses propext
Assumes
MonoidAddMonoidPreorderAddLeftMono

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