Nuprl Lemma : s_part_functionality_wrt_breqv 13,42

T:Type, R, R':(TT). (R <>{T} R')  ((R\) <>{T} (R'\)) 
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Upgen algebra 1
Definitions of StatementE <>{T} E', E\
Definitionst  T, E\, E <>{T} E', P  Q, , x:A. B(x), P  Q, P & Q, P  Q
Lemmasiff wf, not functionality wrt iff, and functionality wrt iff, not wf, iff functionality wrt iff

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