Nuprl Lemma : assert_of_bor 13,42

pq:. ((p q))  ((p (q)) 
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Upbool 1, bool 1
Definitionst  T, x:AB(x), ff, , P  Q, P  Q, P & Q, True, if b then t else f fi , tt, P  Q, p q, b, P  Q, False, Unit, ,
Lemmasbool wf, false wf, true wf

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