Nuprl Lemma : lattice-equiv_wf

∀[l:GeneralBoundedLatticeStructure]. ∀[a,b:Point(l)].  (a ≡ b ∈ ℙ)


Proof




Definitions occuring in Statement :  lattice-equiv: a ≡ b,  general-bounded-lattice-structure: GeneralBoundedLatticeStructure,  lattice-point: Point(l),  uall: ∀[x:A]. B[x],  prop: ℙ,  member: t ∈ T
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  lattice-equiv: a ≡ b,  general-bounded-lattice-structure: GeneralBoundedLatticeStructure,  record+: record+,  record-select: r.x,  subtype_rel: A ⊆r B,  eq_atom: x =a y,  ifthenelse: if b then t else f fi ,  btrue: tt,  guard: {T},  prop: ℙ,  lattice-point: Point(l),  uimplies: b supposing a
Lemmas referenced :  subtype_rel_self,  lattice-point_wf,  bounded-lattice-structure-subtype,  general-bounded-lattice-structure-subtype,  subtype_rel_transitivity,  general-bounded-lattice-structure_wf,  bounded-lattice-structure_wf,  lattice-structure_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  sqequalRule,  sqequalHypSubstitution,  dependentIntersectionElimination,  dependentIntersectionEqElimination,  thin,  hypothesis,  applyEquality,  tokenEquality,  instantiate,  lemma_by_obid,  isectElimination,  universeEquality,  functionEquality,  equalityTransitivity,  equalitySymmetry,  lambdaEquality,  cumulativity,  hypothesisEquality,  because_Cache,  axiomEquality,  independent_isectElimination,  isect_memberEquality

Latex:
\mforall{}[l:GeneralBoundedLatticeStructure].  \mforall{}[a,b:Point(l)].    (a  \mequiv{}  b  \mmember{}  \mBbbP{})



Date html generated: 2020_05_20-AM-08_57_57
Last ObjectModification: 2015_12_28-PM-01_54_48

Theory : lattices


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