Nuprl Lemma : local-prior-state-accumulate

[Info:Type]. ∀[es:EO+(Info)]. ∀[A,T:Type]. ∀[X:EClass(A)]. ∀[base:T]. ∀[f:T ─→ A ─→ T]. ∀[e:E].
  (prior-state(f;base;X;e)
  accumulate (with value and list item a):
     a
    over list:
      X(<e)
    with starting value:
     base)
  ∈ T)


Proof




Definitions occuring in Statement :  es-local-prior-state: prior-state(f;base;X;e) es-prior-interface-vals: X(<e) eclass: EClass(A[eo; e]) event-ordering+: EO+(Info) es-E: E list_accum: list_accum uall: [x:A]. B[x] apply: a function: x:A ─→ B[x] universe: Type equal: t ∈ T
Lemmas :  es-causl-swellfnd nat_properties less_than_transitivity1 less_than_irreflexivity ge_wf less_than_wf int_seg_wf int_seg_subtype-nat decidable__le subtract_wf false_wf not-ge-2 less-iff-le condition-implies-le minus-one-mul zero-add minus-add minus-minus add-associates add-swap add-commutes add_functionality_wrt_le add-zero le-add-cancel decidable__equal_int subtype_rel-int_seg le_weakening int_seg_properties le_wf nat_wf zero-le-nat lelt_wf es-causl_wf equal_wf decidable__lt not-equal-2 le-add-cancel-alt not-le-2 sq_stable__le add-mul-special zero-mul es-E_wf event-ordering+_subtype eclass_wf event-ordering+_wf es-local-prior-state_wf in-eclass_wf es-prior-interface_wf1 es-interface-subtype_rel2 top_wf subtype_top es-E-interface_wf bool_wf equal-wf-T-base assert_wf bnot_wf not_wf list_accum_nil_lemma list_accum_wf squash_wf true_wf list_wf es-prior-interface-vals-property iff_weakening_equal eqtt_to_assert uiff_transitivity eqff_to_assert assert_of_bnot es-prior-interface_wf list_accum_append es-prior-interface-vals_wf eclass-val_wf2 subtype_rel_list list_accum_cons_lemma es-prior-interface-causl eclass-val_wf es-E-interface-property

Latex:
\mforall{}[Info:Type].  \mforall{}[es:EO+(Info)].  \mforall{}[A,T:Type].  \mforall{}[X:EClass(A)].  \mforall{}[base:T].  \mforall{}[f:T  {}\mrightarrow{}  A  {}\mrightarrow{}  T].  \mforall{}[e:E].
    (prior-state(f;base;X;e)
    =  accumulate  (with  value  x  and  list  item  a):
          f  x  a
        over  list:
            X(<e)
        with  starting  value:
          base))



Date html generated: 2015_07_21-PM-03_43_29
Last ObjectModification: 2015_02_04-PM-06_10_59

Home Index