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At: no repeats iff 2 2 2

1. T : Type
2. l : T List
3. x,y:T.
3. (f:(||[xy]||||l||). 
3. (increasing(f;||[xy]||) & (j:||[xy]||. [xy][j] = l[(f(j))]))
3. 
3. x = y
4. i : 
5. j : 
6. i<||l||
7. j<||l||
8. i = j
9. i<j
10. l[j] = l[i]
  l[i] = l[j]


By: (Analyze 0) THEN (Analyze -2)


Generated subgoals:

None

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

(26steps total) PrintForm Definitions mb list 1 Sections MarkB generic Doc