Nuprl Lemma : es-interface-union_wf

∀[Info,A,B:Type]. ∀[X:EClass(A)]. ∀[Y:EClass(B)].  (X+Y ∈ EClass(A + B))


Proof




Definitions occuring in Statement :  es-interface-union: X+Y,  eclass: EClass(A[eo; e]),  uall: ∀[x:A]. B[x],  member: t ∈ T,  union: left + right,  universe: Type
Lemmas :  eclass-compose2_wf,  eq_int_wf,  bag-size_wf,  nat_wf,  bool_wf,  eqtt_to_assert,  assert_of_eq_int,  single-bag_wf,  bag-only_wf2,  single-valued-bag-if-le1,  le_weakening,  decidable__lt,  false_wf,  le_antisymmetry_iff,  add_functionality_wrt_le,  add-zero,  le-add-cancel,  eqff_to_assert,  equal_wf,  bool_cases_sqequal,  subtype_base_sq,  bool_subtype_base,  assert-bnot,  neg_assert_of_eq_int,  not-equal-2,  empty-bag_wf,  bag_wf,  eclass_wf,  es-E_wf,  event-ordering+_subtype,  event-ordering+_wf

Latex:
\mforall{}[Info,A,B:Type].  \mforall{}[X:EClass(A)].  \mforall{}[Y:EClass(B)].    (X+Y  \mmember{}  EClass(A  +  B))



Date html generated: 2015_07_20-PM-03_19_12
Last ObjectModification: 2015_01_27-PM-10_22_39

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