{ [L:Top List]. [ds,F:Top].
    (parallel-dataflow(
     ds;
     F)*(L) ~ parallel-dataflow(
              if null(L) then ds else k.ds k*(L) fi ;
              F)) }

{ Proof }



Definitions occuring in Statement :  parallel-dataflow: parallel-dataflow iterate-dataflow: P*(inputs) null: null(as) ifthenelse: if b then t else f fi  uall: [x:A]. B[x] top: Top apply: f a lambda: x.A[x] list: type List sqequal: s ~ t
Definitions :  uall: [x:A]. B[x] parallel-dataflow: parallel-dataflow ifthenelse: if b then t else f fi  null: null(as) pi1: fst(t) member: t  T btrue: tt bfalse: ff top: Top all: x:A. B[x] implies: P  Q prop: false: False bool: unit: Unit iff: P  Q and: P  Q it:
Lemmas :  top_wf null_wf3 bool_wf iff_weakening_uiff uiff_transitivity assert_wf eqtt_to_assert assert_of_null not_wf bnot_wf eqff_to_assert assert_of_bnot not_functionality_wrt_uiff

\mforall{}[L:Top  List].  \mforall{}[ds,F:Top].
    (parallel-dataflow(
      ds;
      F)*(L)  \msim{}  parallel-dataflow(
                        if  null(L)  then  ds  else  \mlambda{}k.ds  k*(L)  fi  ;
                        F))


Date html generated: 2011_08_10-AM-08_15_45
Last ObjectModification: 2011_06_18-AM-08_30_38

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