Nuprl Lemma : free-dl-inc_wf

∀[T:Type]. ∀[eq:EqDecider(T)]. ∀[x:T].  (free-dl-inc(x) ∈ Point(free-dist-lattice(T; eq)))


Proof




Definitions occuring in Statement :  free-dl-inc: free-dl-inc(x),  free-dist-lattice: free-dist-lattice(T; eq),  lattice-point: Point(l),  deq: EqDecider(T),  uall: ∀[x:A]. B[x],  member: t ∈ T,  universe: Type
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  free-dl-inc: free-dl-inc(x),  top: Top,  prop: ℙ
Lemmas referenced :  free-dl-point,  fset-antichain-singleton,  fset-singleton_wf,  fset_wf,  assert_wf,  fset-antichain_wf,  deq_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  sqequalRule,  lemma_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  isect_memberEquality,  voidElimination,  voidEquality,  hypothesis,  hypothesisEquality,  dependent_set_memberEquality,  axiomEquality,  equalityTransitivity,  equalitySymmetry,  because_Cache,  universeEquality

Latex:
\mforall{}[T:Type].  \mforall{}[eq:EqDecider(T)].  \mforall{}[x:T].    (free-dl-inc(x)  \mmember{}  Point(free-dist-lattice(T;  eq)))



Date html generated: 2020_05_20-AM-08_45_22
Last ObjectModification: 2015_12_28-PM-02_00_30

Theory : lattices


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