Nuprl Lemma : int_nzero-rational 11,40

z:(z = 0  
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Definitions, t  T, True, (i = j), tt, if b then t else f fi , qeq(r;s), b, False, P  Q, A, x:AB(x), a  b  T , P & Q, P  Q,
Lemmasint nzero wf, int-rational, assert of eq int, qeq wf2, assert wf

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