Algebraic operations on upper/lower sets #
Upper/lower sets are preserved under pointwise algebraic operations in ordered groups.
theorem IsUpperSet.smul_subset {α : Type u_1} [CommMonoid α] [Preorder α] [IsOrderedMonoid α] {s : Set α} {x : α} (hs : IsUpperSet s) (hx : 1 ≤ x) :
x • s ⊆ s
theorem IsUpperSet.vadd_subset {α : Type u_1} [AddCommMonoid α] [Preorder α] [IsOrderedAddMonoid α] {s : Set α} {x : α} (hs : IsUpperSet s) (hx : 0 ≤ x) :
x +ᵥ s ⊆ s
theorem IsLowerSet.smul_subset {α : Type u_1} [CommMonoid α] [Preorder α] [IsOrderedMonoid α] {s : Set α} {x : α} (hs : IsLowerSet s) (hx : x ≤ 1) :
x • s ⊆ s
theorem IsLowerSet.vadd_subset {α : Type u_1} [AddCommMonoid α] [Preorder α] [IsOrderedAddMonoid α] {s : Set α} {x : α} (hs : IsLowerSet s) (hx : x ≤ 0) :
x +ᵥ s ⊆ s
theorem IsUpperSet.smul {α : Type u_1} [CommGroup α] [Preorder α] [IsOrderedMonoid α] {s : Set α} {a : α} (hs : IsUpperSet s) :
IsUpperSet (a • s)
theorem IsUpperSet.vadd {α : Type u_1} [AddCommGroup α] [Preorder α] [IsOrderedAddMonoid α] {s : Set α} {a : α} (hs : IsUpperSet s) :
IsUpperSet (a +ᵥ s)
theorem IsLowerSet.smul {α : Type u_1} [CommGroup α] [Preorder α] [IsOrderedMonoid α] {s : Set α} {a : α} (hs : IsLowerSet s) :
IsLowerSet (a • s)
theorem IsLowerSet.vadd {α : Type u_1} [AddCommGroup α] [Preorder α] [IsOrderedAddMonoid α] {s : Set α} {a : α} (hs : IsLowerSet s) :
IsLowerSet (a +ᵥ s)
theorem Set.OrdConnected.smul {α : Type u_1} [CommGroup α] [Preorder α] [IsOrderedMonoid α] {s : Set α} {a : α} (hs : s.OrdConnected) :
(a • s).OrdConnected
theorem Set.OrdConnected.vadd {α : Type u_1} [AddCommGroup α] [Preorder α] [IsOrderedAddMonoid α] {s : Set α} {a : α} (hs : s.OrdConnected) :
(a +ᵥ s).OrdConnected
theorem IsUpperSet.mul_left {α : Type u_1} [CommGroup α] [Preorder α] [IsOrderedMonoid α] {s t : Set α} (ht : IsUpperSet t) :
IsUpperSet (s * t)
theorem IsUpperSet.add_left {α : Type u_1} [AddCommGroup α] [Preorder α] [IsOrderedAddMonoid α] {s t : Set α} (ht : IsUpperSet t) :
IsUpperSet (s + t)
theorem IsUpperSet.mul_right {α : Type u_1} [CommGroup α] [Preorder α] [IsOrderedMonoid α] {s t : Set α} (hs : IsUpperSet s) :
IsUpperSet (s * t)
theorem IsUpperSet.add_right {α : Type u_1} [AddCommGroup α] [Preorder α] [IsOrderedAddMonoid α] {s t : Set α} (hs : IsUpperSet s) :
IsUpperSet (s + t)
theorem IsLowerSet.mul_left {α : Type u_1} [CommGroup α] [Preorder α] [IsOrderedMonoid α] {s t : Set α} (ht : IsLowerSet t) :
IsLowerSet (s * t)
theorem IsLowerSet.add_left {α : Type u_1} [AddCommGroup α] [Preorder α] [IsOrderedAddMonoid α] {s t : Set α} (ht : IsLowerSet t) :
IsLowerSet (s + t)
theorem IsLowerSet.mul_right {α : Type u_1} [CommGroup α] [Preorder α] [IsOrderedMonoid α] {s t : Set α} (hs : IsLowerSet s) :
IsLowerSet (s * t)
theorem IsLowerSet.add_right {α : Type u_1} [AddCommGroup α] [Preorder α] [IsOrderedAddMonoid α] {s t : Set α} (hs : IsLowerSet s) :
IsLowerSet (s + t)
theorem IsUpperSet.inv {α : Type u_2} [CommGroup α] [PartialOrder α] [IsOrderedMonoid α] {s : Set α} (hs : IsUpperSet s) :
theorem IsUpperSet.neg {α : Type u_2} [AddCommGroup α] [PartialOrder α] [IsOrderedAddMonoid α] {s : Set α} (hs : IsUpperSet s) :
IsLowerSet (-s)
theorem IsLowerSet.inv {α : Type u_2} [CommGroup α] [PartialOrder α] [IsOrderedMonoid α] {s : Set α} (hs : IsLowerSet s) :
theorem IsLowerSet.neg {α : Type u_2} [AddCommGroup α] [PartialOrder α] [IsOrderedAddMonoid α] {s : Set α} (hs : IsLowerSet s) :
IsUpperSet (-s)
theorem IsUpperSet.div_left {α : Type u_2} [CommGroup α] [PartialOrder α] [IsOrderedMonoid α] {s t : Set α} (ht : IsUpperSet t) :
IsLowerSet (s / t)
theorem IsUpperSet.sub_left {α : Type u_2} [AddCommGroup α] [PartialOrder α] [IsOrderedAddMonoid α] {s t : Set α} (ht : IsUpperSet t) :
IsLowerSet (s - t)
theorem IsUpperSet.div_right {α : Type u_1} [CommGroup α] [Preorder α] [IsOrderedMonoid α] {s t : Set α} (hs : IsUpperSet s) :
IsUpperSet (s / t)
theorem IsUpperSet.sub_right {α : Type u_1} [AddCommGroup α] [Preorder α] [IsOrderedAddMonoid α] {s t : Set α} (hs : IsUpperSet s) :
IsUpperSet (s - t)
theorem IsLowerSet.div_left {α : Type u_2} [CommGroup α] [PartialOrder α] [IsOrderedMonoid α] {s t : Set α} (ht : IsLowerSet t) :
IsUpperSet (s / t)
theorem IsLowerSet.sub_left {α : Type u_2} [AddCommGroup α] [PartialOrder α] [IsOrderedAddMonoid α] {s t : Set α} (ht : IsLowerSet t) :
IsUpperSet (s - t)
theorem IsLowerSet.div_right {α : Type u_1} [CommGroup α] [Preorder α] [IsOrderedMonoid α] {s t : Set α} (hs : IsLowerSet s) :
IsLowerSet (s / t)
theorem IsLowerSet.sub_right {α : Type u_1} [AddCommGroup α] [Preorder α] [IsOrderedAddMonoid α] {s t : Set α} (hs : IsLowerSet s) :
IsLowerSet (s - t)
@[instance_reducible]
Equations
- UpperSet.instOne = { one := UpperSet.Ici 1 }
@[instance_reducible]
Equations
- UpperSet.instZero = { zero := UpperSet.Ici 0 }
@[instance_reducible]
Equations
- UpperSet.instMul = { mul := fun (s t : UpperSet α) => { carrier := Set.image2 (fun (x1 x2 : α) => x1 * x2) ↑s ↑t, upper' := ⋯ } }
@[instance_reducible]
Equations
- UpperSet.instAdd = { add := fun (s t : UpperSet α) => { carrier := Set.image2 (fun (x1 x2 : α) => x1 + x2) ↑s ↑t, upper' := ⋯ } }
@[instance_reducible]
Equations
- UpperSet.instDiv = { div := fun (s t : UpperSet α) => { carrier := Set.image2 (fun (x1 x2 : α) => x1 / x2) ↑s ↑t, upper' := ⋯ } }
@[instance_reducible]
Equations
- UpperSet.instSub = { sub := fun (s t : UpperSet α) => { carrier := Set.image2 (fun (x1 x2 : α) => x1 - x2) ↑s ↑t, upper' := ⋯ } }
@[instance_reducible]
@[simp]
theorem UpperSet.coe_mul {α : Type u_1} [CommGroup α] [Preorder α] [IsOrderedMonoid α] (s t : UpperSet α) :
@[simp]
theorem UpperSet.coe_add {α : Type u_1} [AddCommGroup α] [Preorder α] [IsOrderedAddMonoid α] (s t : UpperSet α) :
@[simp]
theorem UpperSet.coe_div {α : Type u_1} [CommGroup α] [Preorder α] [IsOrderedMonoid α] (s t : UpperSet α) :
@[simp]
theorem UpperSet.coe_sub {α : Type u_1} [AddCommGroup α] [Preorder α] [IsOrderedAddMonoid α] (s t : UpperSet α) :
@[instance_reducible]
Equations
@[instance_reducible]
instance UpperSet.instAddAction {α : Type u_1} [AddCommGroup α] [Preorder α] [IsOrderedAddMonoid α] :
Equations
@[instance_reducible]
@[instance_reducible]
instance UpperSet.addCommSemigroup {α : Type u_1} [AddCommGroup α] [Preorder α] [IsOrderedAddMonoid α] :
@[instance_reducible]
instance UpperSet.instCommMonoid {α : Type u_1} [CommGroup α] [Preorder α] [IsOrderedMonoid α] :
CommMonoid (UpperSet α)
Equations
- One or more equations did not get rendered due to their size.
@[instance_reducible]
instance UpperSet.instAddCommMonoid {α : Type u_1} [AddCommGroup α] [Preorder α] [IsOrderedAddMonoid α] :
Equations
- One or more equations did not get rendered due to their size.
@[instance_reducible]
Equations
- LowerSet.instOne = { one := LowerSet.Iic 1 }
@[instance_reducible]
Equations
- LowerSet.instZero = { zero := LowerSet.Iic 0 }
@[instance_reducible]
Equations
- LowerSet.instMul = { mul := fun (s t : LowerSet α) => { carrier := Set.image2 (fun (x1 x2 : α) => x1 * x2) ↑s ↑t, lower' := ⋯ } }
@[instance_reducible]
Equations
- LowerSet.instAdd = { add := fun (s t : LowerSet α) => { carrier := Set.image2 (fun (x1 x2 : α) => x1 + x2) ↑s ↑t, lower' := ⋯ } }
@[instance_reducible]
Equations
- LowerSet.instDiv = { div := fun (s t : LowerSet α) => { carrier := Set.image2 (fun (x1 x2 : α) => x1 / x2) ↑s ↑t, lower' := ⋯ } }
@[instance_reducible]
Equations
- LowerSet.instSub = { sub := fun (s t : LowerSet α) => { carrier := Set.image2 (fun (x1 x2 : α) => x1 - x2) ↑s ↑t, lower' := ⋯ } }
@[instance_reducible]
@[simp]
theorem LowerSet.coe_mul {α : Type u_1} [CommGroup α] [Preorder α] [IsOrderedMonoid α] (s t : LowerSet α) :
@[simp]
theorem LowerSet.coe_add {α : Type u_1} [AddCommGroup α] [Preorder α] [IsOrderedAddMonoid α] (s t : LowerSet α) :
@[simp]
theorem LowerSet.coe_div {α : Type u_1} [CommGroup α] [Preorder α] [IsOrderedMonoid α] (s t : LowerSet α) :
@[simp]
theorem LowerSet.coe_sub {α : Type u_1} [AddCommGroup α] [Preorder α] [IsOrderedAddMonoid α] (s t : LowerSet α) :
@[instance_reducible]
Equations
@[instance_reducible]
instance LowerSet.instAddAction {α : Type u_1} [AddCommGroup α] [Preorder α] [IsOrderedAddMonoid α] :
Equations
@[instance_reducible]
@[instance_reducible]
instance LowerSet.addCommSemigroup {α : Type u_1} [AddCommGroup α] [Preorder α] [IsOrderedAddMonoid α] :
@[instance_reducible]
instance LowerSet.instCommMonoid {α : Type u_1} [CommGroup α] [Preorder α] [IsOrderedMonoid α] :
CommMonoid (LowerSet α)
Equations
- One or more equations did not get rendered due to their size.
@[instance_reducible]
instance LowerSet.instAddCommMonoid {α : Type u_1} [AddCommGroup α] [Preorder α] [IsOrderedAddMonoid α] :
Equations
- One or more equations did not get rendered due to their size.
@[simp]
@[simp]
@[simp]
theorem upperClosure_smul {α : Type u_1} [CommGroup α] [Preorder α] [IsOrderedMonoid α] (s : Set α) (a : α) :
@[simp]
theorem upperClosure_vadd {α : Type u_1} [AddCommGroup α] [Preorder α] [IsOrderedAddMonoid α] (s : Set α) (a : α) :
@[simp]
theorem lowerClosure_smul {α : Type u_1} [CommGroup α] [Preorder α] [IsOrderedMonoid α] (s : Set α) (a : α) :
@[simp]
theorem lowerClosure_vadd {α : Type u_1} [AddCommGroup α] [Preorder α] [IsOrderedAddMonoid α] (s : Set α) (a : α) :
theorem mul_upperClosure {α : Type u_1} [CommGroup α] [Preorder α] [IsOrderedMonoid α] (s t : Set α) :
theorem add_upperClosure {α : Type u_1} [AddCommGroup α] [Preorder α] [IsOrderedAddMonoid α] (s t : Set α) :
theorem mul_lowerClosure {α : Type u_1} [CommGroup α] [Preorder α] [IsOrderedMonoid α] (s t : Set α) :
theorem add_lowerClosure {α : Type u_1} [AddCommGroup α] [Preorder α] [IsOrderedAddMonoid α] (s t : Set α) :
theorem upperClosure_mul {α : Type u_1} [CommGroup α] [Preorder α] [IsOrderedMonoid α] (s t : Set α) :
theorem upperClosure_add {α : Type u_1} [AddCommGroup α] [Preorder α] [IsOrderedAddMonoid α] (s t : Set α) :
theorem lowerClosure_mul {α : Type u_1} [CommGroup α] [Preorder α] [IsOrderedMonoid α] (s t : Set α) :
theorem lowerClosure_add {α : Type u_1} [AddCommGroup α] [Preorder α] [IsOrderedAddMonoid α] (s t : Set α) :
@[simp]
theorem upperClosure_mul_distrib {α : Type u_1} [CommGroup α] [Preorder α] [IsOrderedMonoid α] (s t : Set α) :
@[simp]
theorem upperClosure_add_distrib {α : Type u_1} [AddCommGroup α] [Preorder α] [IsOrderedAddMonoid α] (s t : Set α) :
@[simp]
theorem lowerClosure_mul_distrib {α : Type u_1} [CommGroup α] [Preorder α] [IsOrderedMonoid α] (s t : Set α) :
@[simp]
theorem lowerClosure_add_distrib {α : Type u_1} [AddCommGroup α] [Preorder α] [IsOrderedAddMonoid α] (s t : Set α) :