Nuprl Definition : es-first
first(e) ==  pred(e) = e ∨b(¬b(es-dom(es) pred(e)))
Definitions occuring in Statement : 
es-pred: pred(e)
, 
es-eq-E: e = e'
, 
es-dom: es-dom(es)
, 
bor: p ∨bq
, 
bnot: ¬bb
, 
apply: f a
FDL editor aliases : 
es-first
es-first
Latex:
first(e)  ==    pred(e)  =  e  \mvee{}\msubb{}(\mneg{}\msubb{}(es-dom(es)  pred(e)))
Date html generated:
2016_05_16-AM-09_16_05
Last ObjectModification:
2013_03_23-PM-06_40_40
Theory : new!event-ordering
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