Nuprl Lemma : mk-DeMorgan-algebra-equal-bounded-lattice
∀[L:BoundedLatticeStructure]. ∀[n:Top].  (mk-DeMorgan-algebra(L;n) = L ∈ BoundedLatticeStructure)
Proof
Definitions occuring in Statement : 
mk-DeMorgan-algebra: mk-DeMorgan-algebra(L;n)
, 
bounded-lattice-structure: BoundedLatticeStructure
, 
uall: ∀[x:A]. B[x]
, 
top: Top
, 
equal: s = t ∈ T
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
mk-DeMorgan-algebra: mk-DeMorgan-algebra(L;n)
, 
bounded-lattice-structure: BoundedLatticeStructure
, 
record+: record+, 
all: ∀x:A. B[x]
, 
implies: P 
⇒ Q
, 
bool: 𝔹
, 
unit: Unit
, 
it: ⋅
, 
btrue: tt
, 
subtype_rel: A ⊆r B
, 
uiff: uiff(P;Q)
, 
and: P ∧ Q
, 
uimplies: b supposing a
, 
ifthenelse: if b then t else f fi 
, 
sq_type: SQType(T)
, 
guard: {T}
, 
record-select: r.x
, 
top: Top
, 
eq_atom: x =a y
, 
bfalse: ff
, 
lattice-point: Point(l)
, 
iff: P 
⇐⇒ Q
, 
not: ¬A
, 
rev_implies: P 
⇐ Q
, 
false: False
, 
lattice-meet: a ∧ b
, 
lattice-join: a ∨ b
, 
lattice-1: 1
, 
lattice-0: 0
, 
prop: ℙ
, 
record: record(x.T[x])
, 
record-update: r[x := v]
Lemmas referenced : 
istype-top, 
bounded-lattice-structure_wf, 
eq_atom_wf, 
uiff_transitivity, 
equal-wf-base, 
bool_wf, 
atom_subtype_base, 
assert_wf, 
eqtt_to_assert, 
assert_of_eq_atom, 
subtype_base_sq, 
rec_select_update_lemma, 
istype-void, 
lattice-point_wf, 
bounded-lattice-structure-subtype, 
iff_transitivity, 
bnot_wf, 
not_wf, 
iff_weakening_uiff, 
eqff_to_assert, 
assert_of_bnot, 
istype-assert, 
lattice-meet_wf, 
lattice-join_wf, 
lattice-1_wf, 
lattice-0_wf, 
equal_wf, 
subtype_rel_self, 
top-subtype-record
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
isect_memberFormation_alt, 
introduction, 
cut, 
hypothesis, 
extract_by_obid, 
sqequalRule, 
sqequalHypSubstitution, 
isect_memberEquality_alt, 
isectElimination, 
thin, 
hypothesisEquality, 
axiomEquality, 
isectIsTypeImplies, 
inhabitedIsType, 
universeIsType, 
equalitySymmetry, 
dependentIntersectionEqElimination, 
dependentIntersection_memberEquality, 
functionExtensionality, 
tokenEquality, 
lambdaFormation_alt, 
unionElimination, 
equalityElimination, 
baseApply, 
closedConclusion, 
baseClosed, 
applyEquality, 
atomEquality, 
because_Cache, 
independent_functionElimination, 
productElimination, 
independent_isectElimination, 
instantiate, 
cumulativity, 
dependent_functionElimination, 
equalityTransitivity, 
voidElimination, 
independent_pairFormation, 
equalityIsType4, 
functionIsType, 
equalityIsType1, 
impliesFunctionality, 
voidEquality, 
isect_memberEquality, 
lambdaFormation, 
functionEquality, 
universeEquality, 
dependentIntersectionElimination
Latex:
\mforall{}[L:BoundedLatticeStructure].  \mforall{}[n:Top].    (mk-DeMorgan-algebra(L;n)  =  L)
Date html generated:
2020_05_20-AM-08_55_56
Last ObjectModification:
2018_11_12-AM-09_22_15
Theory : lattices
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