Facts about ordered structures and ordered instances on subgroups #

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@[simp]

theorem abs_mem_iff {S : Type u_1} {G : Type u_2} [AddGroup G] [LinearOrder G] :

∀ {x : SetLike S G} [inst : NegMemClass S G] {H : S} {x_1 : G}, |x_1| ∈ H ↔ x_1 ∈ H

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instance instIsModularLatticeAddSubgroup {C : Type u_1} [AddCommGroup C] :

IsModularLattice (AddSubgroup C)

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⋯ = ⋯

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instance instIsModularLatticeSubgroup {C : Type u_1} [CommGroup C] :

IsModularLattice (Subgroup C)

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⋯ = ⋯

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theorem Subgroup.NormalizerCondition.normal_of_coatom {G : Type u_1} [Group G] (H : Subgroup G) (hnc : NormalizerCondition G) (hmax : IsCoatom H) :

H.Normal

In a group that satisfies the normalizer condition, every maximal subgroup is normal

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@[simp]

theorem Subgroup.isCoatom_comap {G : Type u_1} [Group G] {H : Type u_2} [Group H] (f : G ≃* H) {K : Subgroup H} :

IsCoatom (Subgroup.comap (↑f) K) ↔ IsCoatom K

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@[simp]

theorem Subgroup.isCoatom_map {G : Type u_1} [Group G] (H : Subgroup G) (f : G ≃* ↥H) {K : Subgroup G} :

IsCoatom (Subgroup.map (↑f) K) ↔ IsCoatom K

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theorem Subgroup.isCoatom_comap_of_surjective {G : Type u_1} [Group G] {H : Type u_2} [Group H] {φ : G →* H} (hφ : Function.Surjective ⇑φ) {M : Subgroup H} (hM : IsCoatom M) :

IsCoatom (Subgroup.comap φ M)

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theorem AddSubgroupClass.toOrderedAddCommGroup.proof_6 {G : Type u_1} {S : Type u_2} [SetLike S G] [OrderedAddCommGroup G] [AddSubgroupClass S G] (H : S) :

∀ (x x_1 : ↥H), ↑(x + x_1) = ↑(x + x_1)

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theorem AddSubgroupClass.toOrderedAddCommGroup.proof_8 {G : Type u_1} {S : Type u_2} [SetLike S G] [OrderedAddCommGroup G] [AddSubgroupClass S G] (H : S) :

∀ (x x_1 : ↥H), ↑(x - x_1) = ↑(x - x_1)

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theorem AddSubgroupClass.toOrderedAddCommGroup.proof_3 {G : Type u_2} {S : Type u_1} [SetLike S G] [OrderedAddCommGroup G] [AddSubgroupClass S G] :

AddSubmonoidClass S G

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theorem AddSubgroupClass.toOrderedAddCommGroup.proof_1 {G : Type u_2} {S : Type u_1} [SetLike S G] [OrderedAddCommGroup G] [AddSubgroupClass S G] :

ZeroMemClass S G

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theorem AddSubgroupClass.toOrderedAddCommGroup.proof_7 {G : Type u_1} {S : Type u_2} [SetLike S G] [OrderedAddCommGroup G] [AddSubgroupClass S G] (H : S) :

∀ (x : ↥H), ↑(-x) = ↑(-x)

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theorem AddSubgroupClass.toOrderedAddCommGroup.proof_10 {G : Type u_1} {S : Type u_2} [SetLike S G] [OrderedAddCommGroup G] [AddSubgroupClass S G] (H : S) :

∀ (x : ↥H) (x_1 : ℤ), ↑(x_1 • x) = ↑(x_1 • x)

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theorem AddSubgroupClass.toOrderedAddCommGroup.proof_4 {G : Type u_1} {S : Type u_2} [SetLike S G] (H : S) :

Function.Injective fun (a : ↥H) => ↑a

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@[instance 75]

instance AddSubgroupClass.toOrderedAddCommGroup {G : Type u_1} {S : Type u_2} [SetLike S G] [OrderedAddCommGroup G] [AddSubgroupClass S G] (H : S) :

OrderedAddCommGroup ↥H

An additive subgroup of an AddOrderedCommGroup is an AddOrderedCommGroup.

Equations

AddSubgroupClass.toOrderedAddCommGroup H = Function.Injective.orderedAddCommGroup (fun (a : ↥H) => ↑a) ⋯ ⋯ ⋯ ⋯ ⋯ ⋯ ⋯

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theorem AddSubgroupClass.toOrderedAddCommGroup.proof_2 {G : Type u_2} {S : Type u_1} [SetLike S G] [OrderedAddCommGroup G] [AddSubgroupClass S G] :

NegMemClass S G

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theorem AddSubgroupClass.toOrderedAddCommGroup.proof_9 {G : Type u_1} {S : Type u_2} [SetLike S G] [OrderedAddCommGroup G] [AddSubgroupClass S G] (H : S) :

∀ (x : ↥H) (x_1 : ℕ), ↑(x_1 • x) = ↑(x_1 • x)

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theorem AddSubgroupClass.toOrderedAddCommGroup.proof_5 {G : Type u_1} {S : Type u_2} [SetLike S G] [OrderedAddCommGroup G] [AddSubgroupClass S G] (H : S) :

↑0 = ↑0

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@[instance 75]

instance SubgroupClass.toOrderedCommGroup {G : Type u_1} {S : Type u_2} [SetLike S G] [OrderedCommGroup G] [SubgroupClass S G] (H : S) :

OrderedCommGroup ↥H

A subgroup of an OrderedCommGroup is an OrderedCommGroup.

Equations

SubgroupClass.toOrderedCommGroup H = Function.Injective.orderedCommGroup (fun (a : ↥H) => ↑a) ⋯ ⋯ ⋯ ⋯ ⋯ ⋯ ⋯

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theorem AddSubgroupClass.toLinearOrderedAddCommGroup.proof_12 {G : Type u_1} {S : Type u_2} [SetLike S G] [LinearOrderedAddCommGroup G] (H : S) :

∀ (x x_1 : ↥H), ↑(x ⊓ x_1) = ↑(x ⊓ x_1)

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@[instance 75]

instance AddSubgroupClass.toLinearOrderedAddCommGroup {G : Type u_1} {S : Type u_2} [SetLike S G] [LinearOrderedAddCommGroup G] [AddSubgroupClass S G] (H : S) :

LinearOrderedAddCommGroup ↥H

An additive subgroup of a LinearOrderedAddCommGroup is a LinearOrderedAddCommGroup.

Equations

AddSubgroupClass.toLinearOrderedAddCommGroup H = Function.Injective.linearOrderedAddCommGroup (fun (a : ↥H) => ↑a) ⋯ ⋯ ⋯ ⋯ ⋯ ⋯ ⋯ ⋯ ⋯

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theorem AddSubgroupClass.toLinearOrderedAddCommGroup.proof_11 {G : Type u_1} {S : Type u_2} [SetLike S G] [LinearOrderedAddCommGroup G] (H : S) :

∀ (x x_1 : ↥H), ↑(x ⊔ x_1) = ↑(x ⊔ x_1)

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theorem AddSubgroupClass.toLinearOrderedAddCommGroup.proof_6 {G : Type u_1} {S : Type u_2} [SetLike S G] [LinearOrderedAddCommGroup G] [AddSubgroupClass S G] (H : S) :

∀ (x x_1 : ↥H), ↑(x + x_1) = ↑(x + x_1)

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theorem AddSubgroupClass.toLinearOrderedAddCommGroup.proof_9 {G : Type u_1} {S : Type u_2} [SetLike S G] [LinearOrderedAddCommGroup G] [AddSubgroupClass S G] (H : S) :

∀ (x : ↥H) (x_1 : ℕ), ↑(x_1 • x) = ↑(x_1 • x)

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theorem AddSubgroupClass.toLinearOrderedAddCommGroup.proof_4 {G : Type u_1} {S : Type u_2} [SetLike S G] (H : S) :

Function.Injective fun (a : ↥H) => ↑a

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theorem AddSubgroupClass.toLinearOrderedAddCommGroup.proof_3 {G : Type u_2} {S : Type u_1} [SetLike S G] [LinearOrderedAddCommGroup G] [AddSubgroupClass S G] :

AddSubmonoidClass S G

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theorem AddSubgroupClass.toLinearOrderedAddCommGroup.proof_2 {G : Type u_2} {S : Type u_1} [SetLike S G] [LinearOrderedAddCommGroup G] [AddSubgroupClass S G] :

NegMemClass S G

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theorem AddSubgroupClass.toLinearOrderedAddCommGroup.proof_5 {G : Type u_1} {S : Type u_2} [SetLike S G] [LinearOrderedAddCommGroup G] [AddSubgroupClass S G] (H : S) :

↑0 = ↑0

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theorem AddSubgroupClass.toLinearOrderedAddCommGroup.proof_7 {G : Type u_1} {S : Type u_2} [SetLike S G] [LinearOrderedAddCommGroup G] [AddSubgroupClass S G] (H : S) :

∀ (x : ↥H), ↑(-x) = ↑(-x)

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theorem AddSubgroupClass.toLinearOrderedAddCommGroup.proof_8 {G : Type u_1} {S : Type u_2} [SetLike S G] [LinearOrderedAddCommGroup G] [AddSubgroupClass S G] (H : S) :

∀ (x x_1 : ↥H), ↑(x - x_1) = ↑(x - x_1)

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theorem AddSubgroupClass.toLinearOrderedAddCommGroup.proof_10 {G : Type u_1} {S : Type u_2} [SetLike S G] [LinearOrderedAddCommGroup G] [AddSubgroupClass S G] (H : S) :

∀ (x : ↥H) (x_1 : ℤ), ↑(x_1 • x) = ↑(x_1 • x)

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theorem AddSubgroupClass.toLinearOrderedAddCommGroup.proof_1 {G : Type u_2} {S : Type u_1} [SetLike S G] [LinearOrderedAddCommGroup G] [AddSubgroupClass S G] :

ZeroMemClass S G

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@[instance 75]

instance SubgroupClass.toLinearOrderedCommGroup {G : Type u_1} {S : Type u_2} [SetLike S G] [LinearOrderedCommGroup G] [SubgroupClass S G] (H : S) :

LinearOrderedCommGroup ↥H

A subgroup of a LinearOrderedCommGroup is a LinearOrderedCommGroup.

Equations

SubgroupClass.toLinearOrderedCommGroup H = Function.Injective.linearOrderedCommGroup (fun (a : ↥H) => ↑a) ⋯ ⋯ ⋯ ⋯ ⋯ ⋯ ⋯ ⋯ ⋯

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theorem AddSubgroup.toOrderedAddCommGroup.proof_6 {G : Type u_1} [OrderedAddCommGroup G] (H : AddSubgroup G) :

∀ (x : ↥H) (x_1 : ℕ), ↑(x_1 • x) = ↑(x_1 • x)

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theorem AddSubgroup.toOrderedAddCommGroup.proof_5 {G : Type u_1} [OrderedAddCommGroup G] (H : AddSubgroup G) :

∀ (x x_1 : ↥H), ↑(x - x_1) = ↑(x - x_1)

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instance AddSubgroup.toOrderedAddCommGroup {G : Type u_1} [OrderedAddCommGroup G] (H : AddSubgroup G) :

OrderedAddCommGroup ↥H

An AddSubgroup of an AddOrderedCommGroup is an AddOrderedCommGroup.

Equations

H.toOrderedAddCommGroup = Function.Injective.orderedAddCommGroup (fun (a : ↥H) => ↑a) ⋯ ⋯ ⋯ ⋯ ⋯ ⋯ ⋯

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theorem AddSubgroup.toOrderedAddCommGroup.proof_3 {G : Type u_1} [OrderedAddCommGroup G] (H : AddSubgroup G) :

∀ (x x_1 : ↥H), ↑(x + x_1) = ↑(x + x_1)

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theorem AddSubgroup.toOrderedAddCommGroup.proof_1 {G : Type u_1} [OrderedAddCommGroup G] (H : AddSubgroup G) :

Function.Injective fun (a : ↥H) => ↑a

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theorem AddSubgroup.toOrderedAddCommGroup.proof_2 {G : Type u_1} [OrderedAddCommGroup G] (H : AddSubgroup G) :

↑0 = ↑0

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theorem AddSubgroup.toOrderedAddCommGroup.proof_4 {G : Type u_1} [OrderedAddCommGroup G] (H : AddSubgroup G) :

∀ (x : ↥H), ↑(-x) = ↑(-x)

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theorem AddSubgroup.toOrderedAddCommGroup.proof_7 {G : Type u_1} [OrderedAddCommGroup G] (H : AddSubgroup G) :

∀ (x : ↥H) (x_1 : ℤ), ↑(x_1 • x) = ↑(x_1 • x)

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instance Subgroup.toOrderedCommGroup {G : Type u_1} [OrderedCommGroup G] (H : Subgroup G) :

OrderedCommGroup ↥H

A subgroup of an OrderedCommGroup is an OrderedCommGroup.

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H.toOrderedCommGroup = Function.Injective.orderedCommGroup (fun (a : ↥H) => ↑a) ⋯ ⋯ ⋯ ⋯ ⋯ ⋯ ⋯

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theorem AddSubgroup.toLinearOrderedAddCommGroup.proof_8 {G : Type u_1} [LinearOrderedAddCommGroup G] (H : AddSubgroup G) :

∀ (x x_1 : ↥H), ↑(x ⊔ x_1) = ↑(x ⊔ x_1)

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theorem AddSubgroup.toLinearOrderedAddCommGroup.proof_2 {G : Type u_1} [LinearOrderedAddCommGroup G] (H : AddSubgroup G) :

↑0 = ↑0

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theorem AddSubgroup.toLinearOrderedAddCommGroup.proof_5 {G : Type u_1} [LinearOrderedAddCommGroup G] (H : AddSubgroup G) :

∀ (x x_1 : ↥H), ↑(x - x_1) = ↑(x - x_1)

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theorem AddSubgroup.toLinearOrderedAddCommGroup.proof_1 {G : Type u_1} [LinearOrderedAddCommGroup G] (H : AddSubgroup G) :

Function.Injective fun (a : ↥H) => ↑a

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theorem AddSubgroup.toLinearOrderedAddCommGroup.proof_7 {G : Type u_1} [LinearOrderedAddCommGroup G] (H : AddSubgroup G) :

∀ (x : ↥H) (x_1 : ℤ), ↑(x_1 • x) = ↑(x_1 • x)

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theorem AddSubgroup.toLinearOrderedAddCommGroup.proof_9 {G : Type u_1} [LinearOrderedAddCommGroup G] (H : AddSubgroup G) :

∀ (x x_1 : ↥H), ↑(x ⊓ x_1) = ↑(x ⊓ x_1)

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instance AddSubgroup.toLinearOrderedAddCommGroup {G : Type u_1} [LinearOrderedAddCommGroup G] (H : AddSubgroup G) :

LinearOrderedAddCommGroup ↥H

An AddSubgroup of a LinearOrderedAddCommGroup is a LinearOrderedAddCommGroup.

Equations

H.toLinearOrderedAddCommGroup = Function.Injective.linearOrderedAddCommGroup (fun (a : ↥H) => ↑a) ⋯ ⋯ ⋯ ⋯ ⋯ ⋯ ⋯ ⋯ ⋯

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theorem AddSubgroup.toLinearOrderedAddCommGroup.proof_3 {G : Type u_1} [LinearOrderedAddCommGroup G] (H : AddSubgroup G) :

∀ (x x_1 : ↥H), ↑(x + x_1) = ↑(x + x_1)

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theorem AddSubgroup.toLinearOrderedAddCommGroup.proof_4 {G : Type u_1} [LinearOrderedAddCommGroup G] (H : AddSubgroup G) :

∀ (x : ↥H), ↑(-x) = ↑(-x)

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theorem AddSubgroup.toLinearOrderedAddCommGroup.proof_6 {G : Type u_1} [LinearOrderedAddCommGroup G] (H : AddSubgroup G) :

∀ (x : ↥H) (x_1 : ℕ), ↑(x_1 • x) = ↑(x_1 • x)

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instance Subgroup.toLinearOrderedCommGroup {G : Type u_1} [LinearOrderedCommGroup G] (H : Subgroup G) :

LinearOrderedCommGroup ↥H

A subgroup of a LinearOrderedCommGroup is a LinearOrderedCommGroup.

Equations

H.toLinearOrderedCommGroup = Function.Injective.linearOrderedCommGroup (fun (a : ↥H) => ↑a) ⋯ ⋯ ⋯ ⋯ ⋯ ⋯ ⋯ ⋯ ⋯

Documentation

Mathlib.Algebra.Group.Subgroup.Order

Facts about ordered structures and ordered instances on subgroups #