Nuprl Lemma : decidable__exists-classrel-between3

[Info,T:Type].  ∀X:EClass(T). ∀es:EO+(Info). ∀e1,e2:E.  Dec(∃e:E. ((e1 <loc e) ∧ e ≤loc e2  ∧ (↓∃v:T. v ∈ X(e))))


Proof




Definitions occuring in Statement :  classrel: v ∈ X(e) eclass: EClass(A[eo; e]) event-ordering+: EO+(Info) es-le: e ≤loc e'  es-locl: (e <loc e') es-E: E decidable: Dec(P) uall: [x:A]. B[x] all: x:A. B[x] exists: x:A. B[x] squash: T and: P ∧ Q universe: Type
Lemmas :  decidable__equal_Id es-loc_wf es-E_wf event-ordering+_subtype event-ordering+_wf eclass_wf equal_wf decidable__exists_classrel classrel_wf exists_wf squash_wf es-first_wf2 assert_wf not_wf Id_wf decidable__existse-between3 es-le_wf es-locl_wf es-le-loc
\mforall{}[Info,T:Type].
    \mforall{}X:EClass(T).  \mforall{}es:EO+(Info).  \mforall{}e1,e2:E.    Dec(\mexists{}e:E.  ((e1  <loc  e)  \mwedge{}  e  \mleq{}loc  e2    \mwedge{}  (\mdownarrow{}\mexists{}v:T.  v  \mmember{}  X(e))))



Date html generated: 2015_07_17-PM-00_18_17
Last ObjectModification: 2015_07_16-AM-09_44_16

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