Nuprl Lemma : w-kind-lemma 0,22

w:World, e:E. kind(e) ~ kind(a(loc(e);time(e))) 
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Definitionstag(k), lnk(k), act(k), islocal(k), rcv(l,tg), locl(a), kindcase(ka.f(a); l,t.g(l;t) ), x:AB(x), left+right, Knd, t  T, x:AB(x), P  Q, x:AB(x), s = t, act(e), kind(e), kind(e), w-info(w;e), b, {x:AB(x) }, E, World, <a,b>, {T}, SQType(T), s ~ t, a(i;t), kind(a)
LemmasKnd sq, w-E wf, world wf, w-kind wf, w-a wf, Knd wf

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