(2steps total) PrintForm Definitions hol list 1 Sections HOLlib Doc
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At: hhd wf
  'a:S. hd  (hlist('a)  'a)
By: Unab [`hhd`] THEN Simp THEN StrongAuto

Generated subgoal:

1 1. 'a : S
2. l : hlist('a)
3. null(l)
  mt(l)
1 step

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IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html

(2steps total) PrintForm Definitions hol list 1 Sections HOLlib Doc