Nuprl Lemma : eclthrow-n_wf 0,22

ds:x:Id fp Type, da:k:Knd fp Type, x:ecl(ds;da). eclthrow?(x eclthrow-n(x  
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Definitionsx:AB(x), P  Q, b, eclthrow?(x), t  T, , eclthrow-n(x), AB, false, true, if b t else f fi, False, A, xt(x), ecl(ds;da), Prop, x(s), eclbase(k;test), eclseq(a;b), ecland(a;b), eclor(a;b), [a]*, a.n, eclthrow(a;n), eclcatch(a;l)
Lemmasfalse wf, true wf, le wf, assert wf, eclthrow? wf, ecl wf, fpf wf, Knd wf, Id wf

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