Definitions mb list 1 Sections MarkB generic Doc
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Some definitions of interest.
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
iffDef P  Q == (P  Q) & (P  Q)
Thm* A,B:Prop. (A  B Prop

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

Definitions mb list 1 Sections MarkB generic Doc