Definitions int 2 Sections StandardLIB Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
Some definitions of interest.
ndiffDef a -- b == imax(a-b;0)
Thm* a,b:. (a -- b 
imaxDef imax(a;b) == if ab b else a fi
Thm* a,b:. imax(a;b 
natDef  == {i:| 0i }
Thm*   Type

About:
ifthenelseintnatural_numbersubtract
setuniversememberall
!abstraction
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html

Definitions int 2 Sections StandardLIB Doc