Nuprl Lemma : es-interface-or-right-property

∀[Info,A:Type]. ∀[X:EClass(Top)]. ∀[Y:EClass(A)].
  es-interface-or-right((X | Y)) = Y ∈ EClass(A) supposing Singlevalued(Y)


Proof




Definitions occuring in Statement :  es-interface-or-right: es-interface-or-right(X),  es-interface-or: (X | Y),  sv-class: Singlevalued(X),  eclass: EClass(A[eo; e]),  uimplies: b supposing a,  uall: ∀[x:A]. B[x],  top: Top,  universe: Type,  equal: s = t ∈ T
Lemmas :  eq_int_wf,  bag-size_wf,  top_wf,  bool_wf,  eqtt_to_assert,  assert_of_eq_int,  nat_wf,  bag_size_single_lemma,  bag_only_single_lemma,  bag-size-one,  bag-only_wf2,  single-valued-bag-if-le1,  le_weakening,  decidable__lt,  false_wf,  le_antisymmetry_iff,  add_functionality_wrt_le,  add-commutes,  zero-add,  le-add-cancel,  one_or_both_ind_oobboth_lemma,  single-bag_wf,  eqff_to_assert,  equal_wf,  bool_cases_sqequal,  subtype_base_sq,  bool_subtype_base,  assert-bnot,  neg_assert_of_eq_int,  one_or_both_oobleft_lemma,  bag-size-zero,  empty-bag_wf,  not-equal-2,  add-zero,  one_or_both_ind_oobright_lemma,  bag_size_empty_lemma,  es-E_wf,  event-ordering+_subtype,  sv-class_wf,  event-ordering+_wf,  eclass_wf

Latex:
\mforall{}[Info,A:Type].  \mforall{}[X:EClass(Top)].  \mforall{}[Y:EClass(A)].
    es-interface-or-right((X  |  Y))  =  Y  supposing  Singlevalued(Y)



Date html generated: 2015_07_20-PM-03_25_39
Last ObjectModification: 2015_01_27-PM-10_23_22

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