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At: iseg member 1

1. T : Type
2. l1 : T List
3. l2 : T List
4. x : T
5. ||l1||||l2|| & (i:i<||l1||  l1[i] = l2[i])
6. i:i<||l1|| & x = l1[i]
  i:i<||l2|| & x = l2[i]


By: ExRepD THEN InstConcl [i]


Generated subgoal:

1 5. ||l1||||l2||
6. i:i<||l1||  l1[i] = l2[i]
7. i : 
8. i<||l1||
9. x = l1[i]
  x = l2[i]

1 step

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

(3steps total) PrintForm Definitions Lemmas mb list 1 Sections MarkB generic Doc