Definitions mb list 1 Sections MarkB generic Doc
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Some definitions of interest.
listpDef A List == {l:(A List)| (0<||l||) }
Thm* A:Type. A List  Type
mapDef map(f;as) == Case of as; nil  nil ; a.as'  [(f(a)) / map(f;as')]
Def (recursive)
Thm* A,B:Type, f:(AB), l:A List. map(f;l B List
Thm* A,B:Type, f:(AB), l:A List. map(f;l B List

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

Definitions mb list 1 Sections MarkB generic Doc