Nuprl Lemma : bag-member-lifting-loc-2

[C,B,A:Type]. [f:Id  A  B  C]. [as:bag(A)]. [bs:bag(B)]. [i:Id]. [c:C].
  uiff(c  lifting-loc-2(f) i as bs;a:A. b:B. (a  as  b  bs  (c = (f i a b))))


Proof not projected




Definitions occuring in Statement :  lifting-loc-2: lifting-loc-2(f) Id: Id uiff: uiff(P;Q) uall: [x:A]. B[x] exists: x:A. B[x] squash: T and: P  Q apply: f a function: x:A  B[x] universe: Type equal: s = t bag-member: x  bs bag: bag(T)
Definitions :  so_lambda: x.t[x] true: True member: t  T uimplies: b supposing a and: P  Q squash: T bag-member: x  bs uiff: uiff(P;Q) exists: x:A. B[x] lt_int: i <z j bnot: b le_int: i z j bfalse: ff btrue: tt eq_int: (i = j) ifthenelse: if b then t else f fi  ycomb: Y lifting-gen-list-rev: lifting-gen-list-rev(n;bags) lifting-gen-rev: lifting-gen-rev(n;f;bags) select: l[i] lifting-loc-gen-rev: lifting-loc-gen-rev(n;bags;loc;f) lifting2-loc: lifting2-loc(f;loc;abag;bbag) lifting-loc-2: lifting-loc-2(f) so_apply: x[s] uall: [x:A]. B[x] all: x:A. B[x] rev_uimplies: rev_uimplies(P;Q) implies: P  Q sq_stable: SqStable(P) prop:
Lemmas :  bag_wf Id_wf equal_wf and_wf exists_wf squash_wf lifting-loc-2_wf bag-member_wf bag-member-single single-bag_wf bag-combine_wf bag-member-combine sq_stable__bag-member

\mforall{}[C,B,A:Type].  \mforall{}[f:Id  {}\mrightarrow{}  A  {}\mrightarrow{}  B  {}\mrightarrow{}  C].  \mforall{}[as:bag(A)].  \mforall{}[bs:bag(B)].  \mforall{}[i:Id].  \mforall{}[c:C].
    uiff(c  \mdownarrow{}\mmember{}  lifting-loc-2(f)  i  as  bs;\mdownarrow{}\mexists{}a:A.  \mexists{}b:B.  (a  \mdownarrow{}\mmember{}  as  \mwedge{}  b  \mdownarrow{}\mmember{}  bs  \mwedge{}  (c  =  (f  i  a  b))))


Date html generated: 2012_01_23-PM-12_54_27
Last ObjectModification: 2011_12_13-PM-05_26_37

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