Definitions mb list 1 Sections MarkB generic Doc
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Some definitions of interest.
l_memberDef (x  l) == i:i<||l|| & x = l[i T
Thm* T:Type, x:Tl:T List. (x  l Prop
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_indless_thanapplyfunction
recursive_def_noticeuniverseequalmemberpropallexists!abstraction
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html

Definitions mb list 1 Sections MarkB generic Doc