Nuprl Lemma : until-class_local
∀[Info,B,C:Type]. ∀[X:EClass(B)]. ∀[Y:EClass(C)].  (LocalClass(X) 
⇒ LocalClass(Y) 
⇒ LocalClass((X until Y)))
Proof
Definitions occuring in Statement : 
until-class: (X until Y)
, 
local-class: LocalClass(X)
, 
eclass: EClass(A[eo; e])
, 
uall: ∀[x:A]. B[x]
, 
implies: P 
⇒ Q
, 
universe: Type
Lemmas : 
until-class-program_wf, 
local-class_wf, 
eclass_wf, 
es-E_wf, 
event-ordering+_subtype, 
event-ordering+_wf
Latex:
\mforall{}[Info,B,C:Type].  \mforall{}[X:EClass(B)].  \mforall{}[Y:EClass(C)].
    (LocalClass(X)  {}\mRightarrow{}  LocalClass(Y)  {}\mRightarrow{}  LocalClass((X  until  Y)))
Date html generated:
2015_07_22-PM-00_02_20
Last ObjectModification:
2015_01_28-AM-09_53_24
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