Nuprl Lemma : fpf-val_wf 11,40

A:Type, B:(AType), f:a:A fp B(a), eq:EqDecider(A), x:AP:(a:{a:Aa  dom(f)} B(a)).
(z != f(x P(x,z))   
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Definitionsx:AB(x), x(s), , t  T, z != f(x P(a;z), x(s1,s2), P  Q, xt(x)
Lemmasassert wf, fpf-dom wf, fpf-trivial-subtype-top, fpf-ap wf, deq wf, fpf wf

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