(2steps total) PrintForm Definitions Lemmas mb list 1 Sections MarkB generic Doc
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At: iseg length
  T:Type, l1,l2:T List. l1  l2  ||l1||||l2||
By: Unfold `iseg` 0 THEN ExRepD THEN HypSubst -1 0

Generated subgoal:

1 1. T : Type
2. l1 : T List
3. l2 : T List
4. l : T List
5. l2 = (l1 @ l)
  ||l1||||l1 @ l||
1 step

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

(2steps total) PrintForm Definitions Lemmas mb list 1 Sections MarkB generic Doc