Nuprl Lemma : causal_order_monotonic2 4,23

T:Type, L:T List, P1P2Q:(||L||Prop), R:(||L||||L||Prop).
(i:||L||. P1(i P2(i))  causal_order(L;R;P1;Q causal_order(L;R;P2;Q
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Definitionst  T, P  Q, x:AB(x), ||as||, False, A, AB, P & Q, i  j < k, {i..j}, Prop, x:AB(x), causal_order(L;R;P;Q)
Lemmasint seg wf, length wf1, le wf

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