IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
complete nat ind with y1 (P,g. Y(f,x. g(x,f)))
(P:(Prop). (i:. (j:i. P(j)) P(i)) (i:. P(i)))
By:
MemberEqCD THEN IfLab `subterm` (MemberEqCD THEN IfLab `subterm` Id Auto) Auto