Nuprl Lemma : es-local-prior-state-induction

[Info,T:Type]. ∀[P:T ─→ ℙ].
  ∀es:EO+(Info)
    ∀[A:Type]
      ∀X:EClass(A). ∀base:T. ∀f:T ─→ A ─→ T. ∀e:E.
        (P[base]  (∀x:T. ∀e':E(X).  ((e' <loc e)  P[x]  P[f X(e')]))  P[prior-state(f;base;X;e)])


Proof




Definitions occuring in Statement :  es-local-prior-state: prior-state(f;base;X;e) es-E-interface: E(X) eclass-val: X(e) eclass: EClass(A[eo; e]) event-ordering+: EO+(Info) es-locl: (e <loc e') es-E: E uall: [x:A]. B[x] prop: so_apply: x[s] all: x:A. B[x] implies:  Q apply: a function: x:A ─→ B[x] universe: Type
Lemmas :  event-ordering+_subtype all_wf es-E-interface_wf es-interface-subtype_rel2 es-E_wf event-ordering+_wf top_wf es-locl_wf eclass-val_wf assert_elim in-eclass_wf subtype_base_sq bool_wf bool_subtype_base es-local-prior-state_wf es-prior-interface_wf1 subtype_top equal-wf-T-base assert_wf bnot_wf not_wf eclass_wf eqtt_to_assert uiff_transitivity eqff_to_assert assert_of_bnot Id_wf es-loc-prior-interface es-loc_wf iff_weakening_equal es-prior-interface-causl eclass-val_wf2 es-prior-interface_wf es-locl_transitivity2 es-le_weakening

Latex:
\mforall{}[Info,T:Type].  \mforall{}[P:T  {}\mrightarrow{}  \mBbbP{}].
    \mforall{}es:EO+(Info)
        \mforall{}[A:Type]
            \mforall{}X:EClass(A).  \mforall{}base:T.  \mforall{}f:T  {}\mrightarrow{}  A  {}\mrightarrow{}  T.  \mforall{}e:E.
                (P[base]
                {}\mRightarrow{}  (\mforall{}x:T.  \mforall{}e':E(X).    ((e'  <loc  e)  {}\mRightarrow{}  P[x]  {}\mRightarrow{}  P[f  x  X(e')]))
                {}\mRightarrow{}  P[prior-state(f;base;X;e)])



Date html generated: 2015_07_21-PM-03_42_25
Last ObjectModification: 2015_02_04-PM-06_11_32

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