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Mathlib.Order.CompleteLattice.SetLike

SetLike instance for elements of CompleteSublattice (Set X) #

This file provides lemmas for the SetLike instance for elements of CompleteSublattice (Set X)

source
theorem Sublattice.ext_mem {X : Type u_1} {L : Sublattice (Set X)} {S T : ↥L} (h : ∀ (x : X), x ∈ S ↔ x ∈ T) :
S = T
source
📐 coverage
theorem Sublattice.ext_mem_iff {X : Type u_1} {L : Sublattice (Set X)} {S T : ↥L} :
S = T ↔ ∀ (x : X), x ∈ S ↔ x ∈ T
source
📐 coverage
theorem Sublattice.mem_subtype {X : Type u_1} {L : Sublattice (Set X)} {T : ↥L} {x : X} :
x ∈ L.subtype T ↔ x ∈ T
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📐 coverage
@[simp]
theorem Sublattice.setLike_mem_inf {X : Type u_1} {L : Sublattice (Set X)} {S T : ↥L} {x : X} :
x ∈ S ⊓ T ↔ x ∈ S ∧ x ∈ T
source
📐 coverage
@[simp]
theorem Sublattice.setLike_mem_sup {X : Type u_1} {L : Sublattice (Set X)} {S T : ↥L} {x : X} :
x ∈ S ⊔ T ↔ x ∈ S ∨ x ∈ T
source
📐 coverage
@[simp]
theorem Sublattice.setLike_mem_coe {X : Type u_1} {L : Sublattice (Set X)} {T : ↥L} {x : X} :
x ∈ ↑T ↔ x ∈ T
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theorem CompleteSublattice.ext {X : Type u_1} {L : CompleteSublattice (Set X)} {S T : ↥L} (h : ∀ (x : X), x ∈ S ↔ x ∈ T) :
S = T
source
📐 coverage
theorem CompleteSublattice.ext_iff {X : Type u_1} {L : CompleteSublattice (Set X)} {S T : ↥L} :
S = T ↔ ∀ (x : X), x ∈ S ↔ x ∈ T
source
📐 coverage
theorem CompleteSublattice.mem_subtype {X : Type u_1} {L : CompleteSublattice (Set X)} {T : ↥L} {x : X} :
x ∈ L.subtype T ↔ x ∈ T
source
📐 coverage
@[simp]
theorem CompleteSublattice.mem_inf {X : Type u_1} {L : CompleteSublattice (Set X)} {S T : ↥L} {x : X} :
x ∈ S ⊓ T ↔ x ∈ S ∧ x ∈ T
source
📐 coverage
@[simp]
theorem CompleteSublattice.mem_sInf {X : Type u_1} {L : CompleteSublattice (Set X)} {𝒮 : Set ↥L} {x : X} :
x ∈ sInf 𝒮 ↔ ∀ T ∈ 𝒮, x ∈ T
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📐 coverage
@[simp]
theorem CompleteSublattice.mem_iInf {X : Type u_1} {L : CompleteSublattice (Set X)} {I : Sort u_2} {f : I → ↥L} {x : X} :
x ∈ ⨅ (i : I), f i ↔ ∀ (i : I), x ∈ f i
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📐 coverage
@[simp]
theorem CompleteSublattice.mem_top {X : Type u_1} {L : CompleteSublattice (Set X)} {x : X} :
x ∈ ⊤
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📐 coverage
@[simp]
theorem CompleteSublattice.mem_sup {X : Type u_1} {L : CompleteSublattice (Set X)} {S T : ↥L} {x : X} :
x ∈ S ⊔ T ↔ x ∈ S ∨ x ∈ T
source
📐 coverage
@[simp]
theorem CompleteSublattice.mem_sSup {X : Type u_1} {L : CompleteSublattice (Set X)} {𝒮 : Set ↥L} {x : X} :
x ∈ sSup 𝒮 ↔ ∃ T ∈ 𝒮, x ∈ T
source
📐 coverage
@[simp]
theorem CompleteSublattice.mem_iSup {X : Type u_1} {L : CompleteSublattice (Set X)} {I : Sort u_2} {f : I → ↥L} {x : X} :
x ∈ ⨆ (i : I), f i ↔ ∃ (i : I), x ∈ f i
source
📐 coverage
@[simp]
theorem CompleteSublattice.notMem_bot {X : Type u_1} {L : CompleteSublattice (Set X)} {x : X} :
x ∉ ⊥