Nuprl Definition : es-until
(P ∪ Q) == λe.∃e':E. (e ≤loc e' ∧ (Q e') ∧ (∀e'':E. (e ≤loc e'' ⇒ (e'' <loc e') ⇒ (P e''))))
Definitions occuring in Statement :
es-le: e ≤loc e' ,
es-locl: (e <loc e'),
es-E: E,
all: ∀x:A. B[x],
exists: ∃x:A. B[x],
implies: P ⇒ Q,
and: P ∧ Q,
apply: f a,
lambda: λx.A[x]
FDL editor aliases :
es-until
es-until
(P \mcup{} Q) == \mlambda{}e.\mexists{}e':E. (e \mleq{}loc e' \mwedge{} (Q e') \mwedge{} (\mforall{}e'':E. (e \mleq{}loc e'' {}\mRightarrow{} (e'' <loc e') {}\mRightarrow{} (P e''))))
Date html generated:
2015_07_17-AM-08_49_05
Last ObjectModification:
2013_03_25-PM-01_50_25
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