Nuprl Definition : causal-order-preserving 11,40

a.f(a) is c< preserving on e.P(e) == ee':{e:E| P(e)} . (e < e' (f(e) < f(e')) 
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clarification:

causal-order-preserving(es;a.f(a);e.P(e))
== e:{e:es-E(es)| P(e)} , e':{e:es-E(es)| P(e)} .
== es-causl(esee' es-causl(esf(e); f(e')) 
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Definitionsx:AB(x), {x:AB(x)} , E, P  Q, (e < e')
FDL editor aliasescausal-order-preserving

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