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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