Nuprl Lemma : es-or-latest_wf

∀[Info,A,B:Type]. ∀[X:EClass(A)]. ∀[Y:EClass(B)].  ((X |- Y) ∈ EClass(one_or_both(A;B)))


Proof




Definitions occuring in Statement :  es-or-latest: (X |- Y),  eclass: EClass(A[eo; e]),  uall: ∀[x:A]. B[x],  member: t ∈ T,  universe: Type,  one_or_both: one_or_both(A;B)
Lemmas :  es-interface-union_wf,  latest-pair_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  |\msupminus{}  Y)  \mmember{}  EClass(one\_or\_both(A;B)))



Date html generated: 2015_07_21-PM-03_46_07
Last ObjectModification: 2015_01_27-PM-06_23_12

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