(6steps total) PrintForm Definitions hol list 2 Sections HOLlib Doc
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At: not nil cons2 1 1

1. 'a : S
2. t : 'a List
3. h : 'a
  nil = cons(ht False


By: InstLemma_o (ioid !oid{not_nil_cons:s}) []


Generated subgoal:

1 4. 'a:S, t:'a List, h:'anil = cons(ht)
  nil = cons(ht False

2 steps

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

(6steps total) PrintForm Definitions hol list 2 Sections HOLlib Doc