Definitions DiscreteMath Sections DiscrMathExt Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
Some definitions of interest.
int_segDef  {i..j} == {k:i  k < j }
Thm*  m,n:. {m..n Type
lt_intDef  i<j == if i<j true ; false fi
Thm*  i,j:. (i<j 
natDef   == {i:| 0i }
Thm*    Type

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

Definitions DiscreteMath Sections DiscrMathExt Doc