Nuprl Lemma : fpf-all-empty 11,40

A:Type, eq,P:top. fpf-all(Aeq; fpf-empty; y,w.P(y,w))  True 
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Definitionstop, fpf-empty, fpf-all(Aeqfx,v.P(x;v)), fpf-dom(eqxf), b, P  Q, P  Q, P  Q, x:AB(x), P  Q, x(s1,s2), False, t  T, True
Lemmastrue wf, false wf, top wf

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