{ [Info:Type]
    es:EO+(Info). X,Y:EClass(Top). e:E.
      (e  [X?Y]  (e  X)  (e  Y)) }

{ Proof }



Definitions occuring in Statement :  cond-class: [X?Y] in-eclass: e  X eclass: EClass(A[eo; e]) event-ordering+: EO+(Info) es-E: E assert: b uall: [x:A]. B[x] top: Top all: x:A. B[x] iff: P  Q or: P  Q universe: Type
Definitions :  uall: [x:A]. B[x] all: x:A. B[x] iff: P  Q or: P  Q member: t  T so_lambda: x y.t[x; y] prop: and: P  Q implies: P  Q rev_implies: P  Q so_apply: x[s1;s2] subtype: S  T
Lemmas :  es-E_wf event-ordering+_inc eclass_wf top_wf event-ordering+_wf assert_wf in-eclass_wf cond-class_wf iff_functionality_wrt_iff is-cond-class

\mforall{}[Info:Type].  \mforall{}es:EO+(Info).  \mforall{}X,Y:EClass(Top).  \mforall{}e:E.    (\muparrow{}e  \mmember{}\msubb{}  [X?Y]  \mLeftarrow{}{}\mRightarrow{}  (\muparrow{}e  \mmember{}\msubb{}  X)  \mvee{}  (\muparrow{}e  \mmember{}\msubb{}  Y))


Date html generated: 2011_08_16-AM-11_42_45
Last ObjectModification: 2011_06_20-AM-00_33_22

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