Definitions mb list 1 Sections MarkB generic Doc
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Some definitions of interest.
int_segDef {i..j} == {k:i  k < j }
Thm* m,n:. {m..n Type
l_memberDef (x  l) == i:i<||l|| & x = l[i T
Thm* T:Type, x:Tl:T List. (x  l Prop
lengthDef ||as|| == Case of as; nil  0 ; a.as'  ||as'||+1  (recursive)
Thm* A:Type, l:A List. ||l||  
Thm* ||nil||  
selectDef l[i] == hd(nth_tl(i;l))
Thm* A:Type, l:A List, n:. 0n  n<||l||  l[n A

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

Definitions mb list 1 Sections MarkB generic Doc