Definitions mb nat Sections MarkB generic Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
Some definitions of interest.
sumDef sum(f(x) | x < k) == primrec(k;0;x,n. n+f(x))
Thm* n:, f:(n). sum(f(x) | x < n)  
eq_intDef i=j == if i=j true ; false fi
Thm* i,j:. (i=j)  
int_segDef {i..j} == {k:| i  k < j }
Thm* m,n:. {m..n}  Type
notDef A == A  False
Thm* A:Prop. (A)  Prop

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

Definitions mb nat Sections MarkB generic Doc