(7steps total) PrintForm Definitions Lemmas mb list 1 Sections MarkB generic Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: no repeats cons 2

1. T : Type
2. l : T List
3. x : T
4. i,j:i<||l||+1  j<||l||+1  i = j  [x / l][i] = [x / l][j]
  (x  l)


By: Analyze 0 THEN Analyze -1 THEN ExRepD


Generated subgoal:

1 5. i : 
6. i<||l||
7. x = l[i]
  False

2 steps

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

(7steps total) PrintForm Definitions Lemmas mb list 1 Sections MarkB generic Doc