Nuprl Lemma : chrem_exists 2,24

rs:. CoPrime(r,s (ab:x:. (x = a mod r) & (x = b mod s)) 
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DefinitionsP  Q, CoPrime(a,b), x:AB(x), t  T, , x:AB(x), P & Q, Prop, a = b mod m, P  Q, P  Q, T, True
Lemmastrue wf, squash wf, eqmod weakening, multiply functionality wrt eqmod, add functionality wrt eqmod, eqmod functionality wrt eqmod, eqmod wf, gcd p sym, chrem exists aux, nat plus wf, coprime wf

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