Nuprl Lemma : iterate-hdf-bind-simple

∀[A,B,C:Type]. ∀[X:hdataflow(A;B)]. ∀[Y:B ─→ hdataflow(A;C)].
  ∀[L:A List]. ∀[a:A].  ((snd(X >>= Y*(L)(a))) = (snd(simple-hdf-bind(X;Y)*(L)(a))) ∈ bag(C)) supposing valueall-type(C)


Proof




Definitions occuring in Statement :  simple-hdf-bind: simple-hdf-bind(X;Y),  hdf-bind: X >>= Y,  iterate-hdataflow: P*(inputs),  hdf-ap: X(a),  hdataflow: hdataflow(A;B),  list: T List,  valueall-type: valueall-type(T),  uimplies: b supposing a,  uall: ∀[x:A]. B[x],  pi2: snd(t),  function: x:A ─→ B[x],  universe: Type,  equal: s = t ∈ T,  bag: bag(T)
Lemmas :  list_induction,  all_wf,  bag_wf,  hdataflow_wf,  bag-filter_wf,  bnot_wf,  hdf-halted_wf,  subtype_rel_bag,  assert_wf,  hdf-ap_wf,  iterate-hdataflow_wf,  mk-hdf_wf,  bag-null_wf,  bool_wf,  eqtt_to_assert,  assert-bag-null,  bind-nxt_wf,  bfalse_wf,  simple-bind-nxt_wf,  list_wf,  iter_hdf_nil_lemma,  equal_wf,  iter_hdf_cons_lemma,  valueall-type_wf,  empty-bag_wf,  bag_filter_empty_lemma,  pi2_wf,  band_commutes,  iff_weakening_equal,  equal-wf-T-base,  bor_wf,  or_wf,  not_wf,  iff_transitivity,  iff_weakening_uiff,  assert_of_band,  bnot_thru_band,  eqff_to_assert,  assert_of_bor,  assert_of_bnot,  hdataflow-ext,  unit_wf2,  false_wf,  true_wf,  bag_map_empty_lemma,  valueall-type-has-valueall,  bag-valueall-type,  product-valueall-type,  hdataflow-valueall-type,  bag-map_wf,  bag-append_wf,  evalall-reduce,  bag-combine_wf,  bag-map-append,  top_wf,  bag-append-empty,  bag-subtype-list,  bag-filter-split,  equal-empty-bag,  equal-wf-base-T,  bag-combine-map,  bag-combine-empty-right,  squash_wf,  set-valueall-type,  bag-combine-append-left,  subtype_rel_dep_function,  subtype_rel_self,  set_wf,  empty_bag_append_lemma,  decidable__cand,  decidable__assert,  iterate-hdf-halt,  subtype_rel_list,  subtype_base_sq,  unit_subtype_base,  equal-unit,  it_wf,  hdf-halt_wf,  hdf_ap_halt_lemma,  bag-map-map,  pi1_wf_top,  cons_wf,  bag-filter-wf3,  bag-filter-append,  assert_elim,  not_assert_elim,  btrue_neq_bfalse,  empty-bag-iff-no-member
\mforall{}[A,B,C:Type].  \mforall{}[X:hdataflow(A;B)].  \mforall{}[Y:B  {}\mrightarrow{}  hdataflow(A;C)].
    \mforall{}[L:A  List].  \mforall{}[a:A].    ((snd(X  >>=  Y*(L)(a)))  =  (snd(simple-hdf-bind(X;Y)*(L)(a)))) 
    supposing  valueall-type(C)



Date html generated: 2015_07_17-AM-08_07_52
Last ObjectModification: 2015_02_03-PM-09_48_46

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