Definitions hol list 1 Sections HOLlib Doc
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Some definitions of interest.
appendDef as @ bs == Case of as; nil  bs ; a.as'  cons(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
labelDef t  ...$L == t
mtDef mt(l) == Case of l; nil  True ; a.as'  False
Thm* 'a:Type{i}, l:'a List. mt(l Prop{1}

About:
list
list_ind
recursive_def_noticeuniversememberpropimpliesand
falsetrueall!abstraction
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html

Definitions hol list 1 Sections HOLlib Doc