Definitions sqequal 1 Sections StandardLIB 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
sq_typeDef SQType(T) == x,y:Tx = y  {x ~ y}

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

Definitions sqequal 1 Sections StandardLIB Search Doc