Definitions NuprlPrimitives Sections NuprlLIB Search Doc
IF YOU CAN SEE THIS go to http://www.cs.cornell.edu/Info/People/sfa/Nuprl/Shared/Xindentation_hack_doc.html
Some definitions of interest.
natDef  == {i:| 0i }
Thm*   Type
nequalDef a  b  T == a = b  T
Thm* A:Type, x,y:A. (x  y Prop

About:
intnatural_numbersetuniverseequalmemberpropall!abstraction
IF YOU CAN SEE THIS go to http://www.cs.cornell.edu/Info/People/sfa/Nuprl/Shared/Xindentation_hack_doc.html

Definitions NuprlPrimitives Sections NuprlLIB Search Doc