Nuprl Lemma : parallel-class-disjoint-classrel

∀[Info,A,B:Type]. ∀[es:EO+(Info)]. ∀[X,Y:EClass(A)]. ∀[Z:EClass(B)].
  (disjoint-classrel(es;A;X;B;Z) ⇒ disjoint-classrel(es;A;Y;B;Z) ⇒ disjoint-classrel(es;A;X || Y;B;Z))


Proof




Definitions occuring in Statement :  parallel-class: X || Y,  disjoint-classrel: disjoint-classrel(es;A;X;B;Y),  eclass: EClass(A[eo; e]),  event-ordering+: EO+(Info),  uall: ∀[x:A]. B[x],  implies: P ⇒ Q,  universe: Type
Lemmas :  parallel-classrel,  all_wf,  not_wf,  classrel_wf,  parallel-class_wf,  es-E_wf,  event-ordering+_subtype,  disjoint-classrel_wf,  eclass_wf,  event-ordering+_wf

Latex:
\mforall{}[Info,A,B:Type].  \mforall{}[es:EO+(Info)].  \mforall{}[X,Y:EClass(A)].  \mforall{}[Z:EClass(B)].
    (disjoint-classrel(es;A;X;B;Z)
    {}\mRightarrow{}  disjoint-classrel(es;A;Y;B;Z)
    {}\mRightarrow{}  disjoint-classrel(es;A;X  ||  Y;B;Z))



Date html generated: 2015_07_22-PM-00_19_14
Last ObjectModification: 2015_01_28-AM-10_43_23

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