Definitions mb list 1 Sections MarkB generic Doc
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Some definitions of interest.
increasingDef increasing(f;k) == i:(k-1). f(i)<f(i+1)
Thm* k:f:(k). increasing(f;k Prop
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

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

Definitions mb list 1 Sections MarkB generic Doc