well fnd Sections StandardLIB Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
Def x:AB(x) == x:AB(x)

is mentioned by

Thm* r1:(T1T1Prop), r2:(T2T2Prop).
Thm* T1 = T2
Thm* 
Thm* (x,y:T1r1(x,y r2(x,y))
Thm* 
Thm* (WellFnd{i}(T1;x,y.r1(x,y))  WellFnd{i}(T2;x,y.r2(x,y)))
[wellfounded_functionality_wrt_iff]
Thm* r1:(T1T1Prop), r2:(T2T2Prop).
Thm* T1 = T2
Thm* 
Thm* (x,y:T1r1(x,y r2(x,y))
Thm* 
Thm* WellFnd{i}(T1;x,y.r1(x,y))  WellFnd{i}(T2;x,y.r2(x,y))
[wellfounded_functionality_wrt_implies]
Thm* r:(AAProp), B:Type, f:(BA).
Thm* WellFnd{i}(A;x,y.r(x,y))  WellFnd{i}(B;x,y.r(f(x),f(y)))
[inv_image_ind]
Thm* r:(TTProp), S:Type, f:(ST).
Thm* WellFnd{i}(T;x,y.r(x,y))  WellFnd{i}(S;x,y.r(f(x),f(y)))
[inv_image_ind_tp]
Thm* r:(TTProp), S:Type, f:(ST).
Thm* WellFnd{i}(T;x,y.r(x,y))  WellFnd{i}(S;x,y.r(f(x),f(y)))
[inv_image_ind_a]
Def WellFnd{i}(A;x,y.R(x;y))
Def == P:(AProp). (j:A. (k:AR(k;j P(k))  P(j))  {n:AP(n)}
[wellfounded]

In prior sections: core

Try larger context: StandardLIB IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html

well fnd Sections StandardLIB Doc