Definitions int 2 Sections StandardLIB Doc
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Some definitions of interest.
modulusDef a mod n == if 0a a rem n ; ((-a) rem n)=0 0 else n-((-a) rem n) fi
Thm* a:, n:. (a mod n)  
eq_intDef i=j == if i=j true ; false fi
Thm* i,j:. (i=j)  
leDef AB == B<A
Thm* i,j:. (ij)  Prop
le_intDef ij == j<i
Thm* i,j:. (ij)  
nat_plusDef  == {i:| 0<i }
Thm*   Type

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

Definitions int 2 Sections StandardLIB Doc