Nuprl Lemma : last_l_interval 0,22

T:Type, l:T List, i:||l||, j:i. last(l_interval(l;j;i)) = l[i-1]  T 
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DefinitionsT, True, last(L), P  Q, P  Q, l[i], {i..j}, i  j < k, AB, P & Q, A, False, ||as||, Prop, SQType(T), x:AB(x), P  Q, {T}, t  T
Lemmaslength l interval, select wf, le wf, select l interval, length wf1, int seg wf, squash wf

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