Nuprl Lemma : simple-comb3_wf

[Info,A,B,C,D:Type].
  ∀F:bag(A) ─→ bag(B) ─→ bag(C) ─→ bag(D)
    ∀[X:EClass(A)]. ∀[Y:EClass(B)]. ∀[Z:EClass(C)].  (simple-comb3(x,y,z.F[x;y;z];X;Y;Z) ∈ EClass(D))


Proof




Definitions occuring in Statement :  simple-comb3: simple-comb3(x,y,z.F[x; y; z];X;Y;Z) eclass: EClass(A[eo; e]) uall: [x:A]. B[x] so_apply: x[s1;s2;s3] all: x:A. B[x] member: t ∈ T function: x:A ─→ B[x] universe: Type bag: bag(T)
Lemmas :  simple-comb_wf select_wf cons_wf nil_wf length_wf length_nil non_neg_length length_wf_nil length_cons length_wf_nat int_seg_wf decidable__equal_int subtype_base_sq int_subtype_base es-interface-subtype_rel2 es-E_wf event-ordering+_subtype bag_wf false_wf eclass_wf event-ordering+_wf

Latex:
\mforall{}[Info,A,B,C,D:Type].
    \mforall{}F:bag(A)  {}\mrightarrow{}  bag(B)  {}\mrightarrow{}  bag(C)  {}\mrightarrow{}  bag(D)
        \mforall{}[X:EClass(A)].  \mforall{}[Y:EClass(B)].  \mforall{}[Z:EClass(C)].
            (simple-comb3(x,y,z.F[x;y;z];X;Y;Z)  \mmember{}  EClass(D))



Date html generated: 2015_07_21-PM-02_58_01
Last ObjectModification: 2015_01_27-PM-07_36_31

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