Definitions hol list 1 Sections HOLlib Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
Some definitions of interest.
flattenDef flatten(l) == if null(l) then nil else head(l) @ flatten(tl(l)) fi 
Def (recursive)
Thm* 'a:Type, l:('a List) List. flatten(l 'a List
labelDef t  ...$L == t

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

Definitions hol list 1 Sections HOLlib Doc