Nuprl Lemma : parallel-class-disjoint-classrel

[A,B:']. [es:EO']. [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 not projected




Definitions occuring in Statement :  Message: Message 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
Definitions :  uall: [x:A]. B[x] eclass: EClass(A[eo; e]) implies: P  Q disjoint-classrel: disjoint-classrel(es;A;X;B;Y) all: x:A. B[x] or: P  Q not: A member: t  T false: False so_lambda: x.t[x] guard: {T} uimplies: b supposing a sq_or: a  b uiff: uiff(P;Q) and: P  Q squash: T so_apply: x[s] prop: subtype: S  T
Lemmas :  parallel-classrel all_wf not_wf classrel_wf parallel-class_wf es-E_wf event-ordering+_inc disjoint-classrel_wf Message_wf event-ordering+_wf bag_wf

\mforall{}[A,B:\mBbbU{}'].  \mforall{}[es:EO'].  \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: 2012_01_23-PM-01_24_43
Last ObjectModification: 2012_01_12-PM-12_34_46

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