Nuprl Lemma : is-prior-val

[Info:Type]. ∀es:EO+(Info). ∀[T:Type]. ∀X:EClass(T). ∀e:E.  (↑e ∈b (X)' ⇐⇒ ∃e':E. ((e' <loc e) ∧ (↑e' ∈b X)))


Proof




Definitions occuring in Statement :  es-prior-val: (X)' in-eclass: e ∈b X eclass: EClass(A[eo; e]) event-ordering+: EO+(Info) es-locl: (e <loc e') es-E: E assert: b uall: [x:A]. B[x] all: x:A. B[x] exists: x:A. B[x] iff: ⇐⇒ Q and: P ∧ Q universe: Type
Lemmas :  in-eclass_wf es-prior-interface_wf1 es-interface-subtype_rel2 es-E_wf event-ordering+_subtype top_wf subtype_top es-E-interface_wf bool_wf eqtt_to_assert bag_size_single_lemma es-is-prior-interface true_wf exists_wf es-locl_wf assert_wf eqff_to_assert equal_wf bool_cases_sqequal subtype_base_sq bool_subtype_base assert-bnot bag_size_empty_lemma false_wf eclass_wf event-ordering+_wf

Latex:
\mforall{}[Info:Type]
    \mforall{}es:EO+(Info).  \mforall{}[T:Type].  \mforall{}X:EClass(T).  \mforall{}e:E.    (\muparrow{}e  \mmember{}\msubb{}  (X)'  \mLeftarrow{}{}\mRightarrow{}  \mexists{}e':E.  ((e'  <loc  e)  \mwedge{}  (\muparrow{}e'  \mmember{}\msubb{}  X)))



Date html generated: 2015_07_21-PM-03_19_37
Last ObjectModification: 2015_01_27-PM-07_18_20

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