Definitions NuprlPrimitives Sections NuprlLIB Doc
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Some definitions of interest.
nat_plusDef  == {i:| 0<i }
Thm*   Type
sfa_doc_sexprDef Sexpr(A) == rec(T.(TT)+A)
Thm* A:Type. Sexpr(A Type
sfa_doc_sexpr_sizeDef Size(s) == Case of s :  Inj(x 1 ; Cons(s1;s2 Size(s1)+Size(s2)
Def (recursive)
Thm* A:Type, s:Sexpr(A). Size(s 

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productintnatural_numberaddless_thanunionset
recursive_def_noticerecuniversememberall
!abstraction
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html

Definitions NuprlPrimitives Sections NuprlLIB Doc