Definitions mb list 2 Sections MarkB generic Doc
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Some definitions of interest.
swapDef swap(L;i;j) == (L o (ij))
Thm* T:Type, L:T List, i,j:||L||. swap(L;i;j T List
appendDef as @ bs == Case of as; nil  bs ; a.as'  [a / (as' @ bs)]  (recursive)
Thm* T:Type, as,bs:T List. (as @ bs T List
lengthDef ||as|| == Case of as; nil  0 ; a.as'  ||as'||+1  (recursive)
Thm* A:Type, l:A List. ||l||  
Thm* ||nil||  
natDef  == {i:| 0i }
Thm*   Type
selectDef l[i] == hd(nth_tl(i;l))
Thm* A:Type, l:A List, n:. 0n  n<||l||  l[n A

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

Definitions mb list 2 Sections MarkB generic Doc