Definitions mb list 1 Sections MarkB generic Doc
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Some definitions of interest.
hdDef hd(l) == Case of l; nil  "?" ; h.t  h
Thm* A:Type, l:A List. ||l|| hd(l A
lengthDef ||as|| == Case of as; nil  0 ; a.as'  ||as'||+1  (recursive)
Thm* A:Type, l:A List. ||l||  
Thm* ||nil||  
tlDef tl(l) == Case of l; nil  nil ; h.t  t
Thm* A:Type, l:A List. tl(l A List

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

Definitions mb list 1 Sections MarkB generic Doc