Nuprl Lemma : is-interface-part

[Info:Type]. ∀[es:EO+(Info)]. ∀[T:Type]. ∀[X:EClass(T)]. ∀[g:E(X) ─→ Id]. ∀[i:Id]. ∀[e:E].
  uiff(↑e ∈b (X|g=i);(↑e ∈b X) ∧ ((g e) i ∈ Id))


Proof




Definitions occuring in Statement :  es-interface-part: (X|g=i) es-E-interface: E(X) in-eclass: e ∈b X eclass: EClass(A[eo; e]) event-ordering+: EO+(Info) es-E: E Id: Id assert: b uiff: uiff(P;Q) uall: [x:A]. B[x] and: P ∧ Q apply: a function: x:A ─→ B[x] universe: Type equal: t ∈ T
Lemmas :  eq_int_wf bag-size_wf bool_wf eqtt_to_assert assert_of_eq_int eq_id_wf assert_wf assert-eq-id eqff_to_assert equal_wf bool_cases_sqequal subtype_base_sq bool_subtype_base assert-bnot nat_wf bag_size_empty_lemma false_wf assert_witness true_wf neg_assert_of_eq_int Id_wf es-E_wf event-ordering+_subtype bag_wf event-ordering+_wf

Latex:
\mforall{}[Info:Type].  \mforall{}[es:EO+(Info)].  \mforall{}[T:Type].  \mforall{}[X:EClass(T)].  \mforall{}[g:E(X)  {}\mrightarrow{}  Id].  \mforall{}[i:Id].  \mforall{}[e:E].
    uiff(\muparrow{}e  \mmember{}\msubb{}  (X|g=i);(\muparrow{}e  \mmember{}\msubb{}  X)  \mwedge{}  ((g  e)  =  i))



Date html generated: 2015_07_20-PM-03_37_12
Last ObjectModification: 2015_01_27-PM-10_11_54

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