FDL - Nuprl Lemma : wellfounded_functionality_wrt

Nuprl Lemma : wellfounded_functionality_wrt_iff

T1,T2:Type, r1:(T1

), r2:(T2

).
(T1 = T2)

(

x,y:T1. r1(x,y)

r2(x,y))

(WellFnd{i}(T1;x,y.r1(x,y))

WellFnd{i}(T2;x,y.r2(x,y)))

Definitions P Q, P Q, t T, x(s1,s2), P Q, P Q, , x:A. B(x), x,y. t(x;y), {T}

Lemmas iff wf, wellfounded functionality wrt implies

Definitions	P Q, P Q, t T, x(s1,s2), P Q, P Q, , x:A. B(x), x,y. t(x;y), {T}
Lemmas	iff wf, wellfounded functionality wrt implies