Big operators in an algebraic ordered structure #
theorem
Multiset.sum_nonneg
{α : Type u_2}
[OrderedAddCommMonoid α]
{s : Multiset α}
:
(∀ x ∈ s, 0 ≤ x) → 0 ≤ Multiset.sum s
theorem
Multiset.one_le_prod_of_one_le
{α : Type u_2}
[OrderedCommMonoid α]
{s : Multiset α}
:
(∀ x ∈ s, 1 ≤ x) → 1 ≤ Multiset.prod s
theorem
Multiset.single_le_sum
{α : Type u_2}
[OrderedAddCommMonoid α]
{s : Multiset α}
:
(∀ x ∈ s, 0 ≤ x) → ∀ x ∈ s, x ≤ Multiset.sum s
theorem
Multiset.single_le_prod
{α : Type u_2}
[OrderedCommMonoid α]
{s : Multiset α}
:
(∀ x ∈ s, 1 ≤ x) → ∀ x ∈ s, x ≤ Multiset.prod s
theorem
Multiset.sum_le_card_nsmul
{α : Type u_2}
[OrderedAddCommMonoid α]
(s : Multiset α)
(n : α)
(h : ∀ x ∈ s, x ≤ n)
:
Multiset.sum s ≤ Multiset.card s • n
theorem
Multiset.prod_le_pow_card
{α : Type u_2}
[OrderedCommMonoid α]
(s : Multiset α)
(n : α)
(h : ∀ x ∈ s, x ≤ n)
:
Multiset.prod s ≤ n ^ Multiset.card s
theorem
Multiset.all_zero_of_le_zero_le_of_sum_eq_zero
{α : Type u_2}
[OrderedAddCommMonoid α]
{s : Multiset α}
:
(∀ x ∈ s, 0 ≤ x) → Multiset.sum s = 0 → ∀ x ∈ s, x = 0
theorem
Multiset.all_one_of_le_one_le_of_prod_eq_one
{α : Type u_2}
[OrderedCommMonoid α]
{s : Multiset α}
:
(∀ x ∈ s, 1 ≤ x) → Multiset.prod s = 1 → ∀ x ∈ s, x = 1
theorem
Multiset.sum_le_sum_of_rel_le
{α : Type u_2}
[OrderedAddCommMonoid α]
{s : Multiset α}
{t : Multiset α}
(h : Multiset.Rel (fun (x x_1 : α) => x ≤ x_1) s t)
:
theorem
Multiset.prod_le_prod_of_rel_le
{α : Type u_2}
[OrderedCommMonoid α]
{s : Multiset α}
{t : Multiset α}
(h : Multiset.Rel (fun (x x_1 : α) => x ≤ x_1) s t)
:
theorem
Multiset.sum_map_le_sum_map
{ι : Type u_1}
{α : Type u_2}
[OrderedAddCommMonoid α]
{s : Multiset ι}
(f : ι → α)
(g : ι → α)
(h : ∀ i ∈ s, f i ≤ g i)
:
Multiset.sum (Multiset.map f s) ≤ Multiset.sum (Multiset.map g s)
theorem
Multiset.prod_map_le_prod_map
{ι : Type u_1}
{α : Type u_2}
[OrderedCommMonoid α]
{s : Multiset ι}
(f : ι → α)
(g : ι → α)
(h : ∀ i ∈ s, f i ≤ g i)
:
Multiset.prod (Multiset.map f s) ≤ Multiset.prod (Multiset.map g s)
theorem
Multiset.sum_map_le_sum
{α : Type u_2}
[OrderedAddCommMonoid α]
{s : Multiset α}
(f : α → α)
(h : ∀ x ∈ s, f x ≤ x)
:
Multiset.sum (Multiset.map f s) ≤ Multiset.sum s
theorem
Multiset.prod_map_le_prod
{α : Type u_2}
[OrderedCommMonoid α]
{s : Multiset α}
(f : α → α)
(h : ∀ x ∈ s, f x ≤ x)
:
Multiset.prod (Multiset.map f s) ≤ Multiset.prod s
theorem
Multiset.sum_le_sum_map
{α : Type u_2}
[OrderedAddCommMonoid α]
{s : Multiset α}
(f : α → α)
(h : ∀ x ∈ s, x ≤ f x)
:
Multiset.sum s ≤ Multiset.sum (Multiset.map f s)
theorem
Multiset.prod_le_prod_map
{α : Type u_2}
[OrderedCommMonoid α]
{s : Multiset α}
(f : α → α)
(h : ∀ x ∈ s, x ≤ f x)
:
Multiset.prod s ≤ Multiset.prod (Multiset.map f s)
theorem
Multiset.card_nsmul_le_sum
{α : Type u_2}
[OrderedAddCommMonoid α]
{s : Multiset α}
{a : α}
(h : ∀ x ∈ s, a ≤ x)
:
Multiset.card s • a ≤ Multiset.sum s
theorem
Multiset.pow_card_le_prod
{α : Type u_2}
[OrderedCommMonoid α]
{s : Multiset α}
{a : α}
(h : ∀ x ∈ s, a ≤ x)
:
a ^ Multiset.card s ≤ Multiset.prod s
theorem
Multiset.le_sum_of_subadditive_on_pred
{α : Type u_2}
{β : Type u_3}
[AddCommMonoid α]
[OrderedAddCommMonoid β]
(f : α → β)
(p : α → Prop)
(h_one : f 0 = 0)
(hp_one : p 0)
(h_mul : ∀ (a b : α), p a → p b → f (a + b) ≤ f a + f b)
(hp_mul : ∀ (a b : α), p a → p b → p (a + b))
(s : Multiset α)
(hps : ∀ a ∈ s, p a)
:
f (Multiset.sum s) ≤ Multiset.sum (Multiset.map f s)
theorem
Multiset.le_prod_of_submultiplicative_on_pred
{α : Type u_2}
{β : Type u_3}
[CommMonoid α]
[OrderedCommMonoid β]
(f : α → β)
(p : α → Prop)
(h_one : f 1 = 1)
(hp_one : p 1)
(h_mul : ∀ (a b : α), p a → p b → f (a * b) ≤ f a * f b)
(hp_mul : ∀ (a b : α), p a → p b → p (a * b))
(s : Multiset α)
(hps : ∀ a ∈ s, p a)
:
f (Multiset.prod s) ≤ Multiset.prod (Multiset.map f s)
theorem
Multiset.le_sum_of_subadditive
{α : Type u_2}
{β : Type u_3}
[AddCommMonoid α]
[OrderedAddCommMonoid β]
(f : α → β)
(h_one : f 0 = 0)
(h_mul : ∀ (a b : α), f (a + b) ≤ f a + f b)
(s : Multiset α)
:
f (Multiset.sum s) ≤ Multiset.sum (Multiset.map f s)
theorem
Multiset.le_prod_of_submultiplicative
{α : Type u_2}
{β : Type u_3}
[CommMonoid α]
[OrderedCommMonoid β]
(f : α → β)
(h_one : f 1 = 1)
(h_mul : ∀ (a b : α), f (a * b) ≤ f a * f b)
(s : Multiset α)
:
f (Multiset.prod s) ≤ Multiset.prod (Multiset.map f s)
theorem
Multiset.le_sum_nonempty_of_subadditive_on_pred
{α : Type u_2}
{β : Type u_3}
[AddCommMonoid α]
[OrderedAddCommMonoid β]
(f : α → β)
(p : α → Prop)
(h_mul : ∀ (a b : α), p a → p b → f (a + b) ≤ f a + f b)
(hp_mul : ∀ (a b : α), p a → p b → p (a + b))
(s : Multiset α)
(hs_nonempty : s ≠ ∅)
(hs : ∀ a ∈ s, p a)
:
f (Multiset.sum s) ≤ Multiset.sum (Multiset.map f s)
theorem
Multiset.le_prod_nonempty_of_submultiplicative_on_pred
{α : Type u_2}
{β : Type u_3}
[CommMonoid α]
[OrderedCommMonoid β]
(f : α → β)
(p : α → Prop)
(h_mul : ∀ (a b : α), p a → p b → f (a * b) ≤ f a * f b)
(hp_mul : ∀ (a b : α), p a → p b → p (a * b))
(s : Multiset α)
(hs_nonempty : s ≠ ∅)
(hs : ∀ a ∈ s, p a)
:
f (Multiset.prod s) ≤ Multiset.prod (Multiset.map f s)
theorem
Multiset.le_sum_nonempty_of_subadditive
{α : Type u_2}
{β : Type u_3}
[AddCommMonoid α]
[OrderedAddCommMonoid β]
(f : α → β)
(h_mul : ∀ (a b : α), f (a + b) ≤ f a + f b)
(s : Multiset α)
(hs_nonempty : s ≠ ∅)
:
f (Multiset.sum s) ≤ Multiset.sum (Multiset.map f s)
theorem
Multiset.le_prod_nonempty_of_submultiplicative
{α : Type u_2}
{β : Type u_3}
[CommMonoid α]
[OrderedCommMonoid β]
(f : α → β)
(h_mul : ∀ (a b : α), f (a * b) ≤ f a * f b)
(s : Multiset α)
(hs_nonempty : s ≠ ∅)
:
f (Multiset.prod s) ≤ Multiset.prod (Multiset.map f s)
theorem
Multiset.sum_lt_sum
{ι : Type u_1}
{α : Type u_2}
[OrderedCancelAddCommMonoid α]
{s : Multiset ι}
{f : ι → α}
{g : ι → α}
(hle : ∀ i ∈ s, f i ≤ g i)
(hlt : ∃ i ∈ s, f i < g i)
:
Multiset.sum (Multiset.map f s) < Multiset.sum (Multiset.map g s)
theorem
Multiset.prod_lt_prod'
{ι : Type u_1}
{α : Type u_2}
[OrderedCancelCommMonoid α]
{s : Multiset ι}
{f : ι → α}
{g : ι → α}
(hle : ∀ i ∈ s, f i ≤ g i)
(hlt : ∃ i ∈ s, f i < g i)
:
Multiset.prod (Multiset.map f s) < Multiset.prod (Multiset.map g s)
theorem
Multiset.sum_lt_sum_of_nonempty
{ι : Type u_1}
{α : Type u_2}
[OrderedCancelAddCommMonoid α]
{s : Multiset ι}
{f : ι → α}
{g : ι → α}
(hs : s ≠ ∅)
(hfg : ∀ i ∈ s, f i < g i)
:
Multiset.sum (Multiset.map f s) < Multiset.sum (Multiset.map g s)
theorem
Multiset.prod_lt_prod_of_nonempty'
{ι : Type u_1}
{α : Type u_2}
[OrderedCancelCommMonoid α]
{s : Multiset ι}
{f : ι → α}
{g : ι → α}
(hs : s ≠ ∅)
(hfg : ∀ i ∈ s, f i < g i)
:
Multiset.prod (Multiset.map f s) < Multiset.prod (Multiset.map g s)
theorem
Multiset.le_sum_of_mem
{α : Type u_2}
[CanonicallyOrderedAddCommMonoid α]
{s : Multiset α}
{a : α}
(h : a ∈ s)
:
a ≤ Multiset.sum s
theorem
Multiset.le_prod_of_mem
{α : Type u_2}
[CanonicallyOrderedCommMonoid α]
{s : Multiset α}
{a : α}
(h : a ∈ s)
:
a ≤ Multiset.prod s
theorem
Multiset.abs_sum_le_sum_abs
{α : Type u_2}
[LinearOrderedAddCommGroup α]
{s : Multiset α}
:
|Multiset.sum s| ≤ Multiset.sum (Multiset.map abs s)
theorem
Multiset.prod_nonneg
{α : Type u_2}
[OrderedCommSemiring α]
{s : Multiset α}
(h : ∀ a ∈ s, 0 ≤ a)
:
0 ≤ Multiset.prod s