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

{ Proof }



Definitions occuring in Statement :  es-interface-prior-vals: X(e) es-E-interface: E(X) eclass: EClass(A[eo; e]) event-ordering+: EO+(Info) null: null(as) assert: b uall: [x:A]. B[x] top: Top not: A universe: Type
Definitions :  uall: [x:A]. B[x] not: A assert: b null: null(as) es-interface-prior-vals: X(e) member: t  T implies: P  Q false: False ycomb: Y append: as @ bs ifthenelse: if b then t else f fi  prop: so_lambda: x y.t[x; y] bfalse: ff all: x:A. B[x] btrue: tt true: True es-E-interface: E(X) so_apply: x[s1;s2] bool: unit: Unit iff: P  Q and: P  Q sq_type: SQType(T) uimplies: b supposing a guard: {T} subtype: S  T it:
Lemmas :  assert_wf null_wf3 es-interface-prior-vals_wf top_wf es-E-interface_wf eclass_wf es-E_wf event-ordering+_inc event-ordering+_wf in-eclass_wf bool_wf not_wf bnot_wf iff_weakening_uiff eqtt_to_assert uiff_transitivity eqff_to_assert assert_of_bnot false_wf subtype_base_sq bool_subtype_base assert_elim

\mforall{}[Info:Type].  \mforall{}[es:EO+(Info)].  \mforall{}[X:EClass(Top)].  \mforall{}[e:E(X)].    (\mneg{}\muparrow{}null(X(\mleq{}e)))


Date html generated: 2011_08_16-PM-04_34_22
Last ObjectModification: 2011_06_20-AM-00_57_55

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