Definitions int 2 Sections StandardLIB Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
Some definitions of interest.
absvalDef |i| == if 0i i else -i fi
Thm* x:. |x 
int_nzeroDef  == {i:i  0 }
Thm*   Type
nat_plusDef  == {i:| 0<i }
Thm*   Type

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

Definitions int 2 Sections StandardLIB Doc