Nuprl Definition : proddeq 0,22

proddeq(a;b)(p,q) == 1of(a)(1of(p),1of(q))  1of(b)(2of(p),2of(q)) 
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Definitionsx.A(x), p  q, f(a), 1of(t), 2of(t)
FDL editor aliasesproddeq

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