Nuprl Lemma : member-class-output

[Info,T:Type]. [X:EClass(T)]. [es:EO+(Info)]. [bg:bag(E)]. [v:T].
  uiff(v  class-output(X;es;bg);e:E. (e  bg  v  class-le-before(X;es;e)))


Proof not projected




Definitions occuring in Statement :  class-output: class-output(X;es;bg),  class-le-before: class-le-before(X;es;e),  eclass: EClass(A[eo; e]),  event-ordering+: EO+(Info),  es-E: E,  uiff: uiff(P;Q),  uall: [x:A]. B[x],  exists: x:A. B[x],  squash: T,  and: P  Q,  universe: Type,  bag-member: x  bs,  bag: bag(T)
Definitions :  so_lambda: x y.t[x; y],  cand: A c B,  prop: ,  true: True,  so_lambda: x.t[x],  member: t  T,  uimplies: b supposing a,  and: P  Q,  squash: T,  class-output: class-output(X;es;bg),  bag-member: x  bs,  uiff: uiff(P;Q),  so_apply: x[s1;s2],  rev_uimplies: rev_uimplies(P;Q),  all: x:A. B[x],  so_apply: x[s],  uall: [x:A]. B[x],  subtype: S  T
Lemmas :  eclass_wf,  event-ordering+_wf,  bag_wf,  class-output_wf,  and_wf,  exists_wf,  squash_wf,  event-ordering+_inc,  es-E_wf,  bag-combine_wf,  bag-member_wf,  class-le-before_wf,  bag-member-combine

\mforall{}[Info,T:Type].  \mforall{}[X:EClass(T)].  \mforall{}[es:EO+(Info)].  \mforall{}[bg:bag(E)].  \mforall{}[v:T].
    uiff(v  \mdownarrow{}\mmember{}  class-output(X;es;bg);\mdownarrow{}\mexists{}e:E.  (e  \mdownarrow{}\mmember{}  bg  \mwedge{}  v  \mdownarrow{}\mmember{}  class-le-before(X;es;e)))


Date html generated: 2012_01_23-PM-12_22_08
Last ObjectModification: 2011_12_13-PM-12_57_50

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