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IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: cons member 1 2 1

1. T : Type
2. l : T List
3. a : T
4. x : T
5. i : 
6. i  0
7. 0<i
8. i<||l||+1
  x = [a / l][i x = a  (i:i<||l|| & x = l[i])


By: RWW Thm* a:Tas:T List, i:. 0<i  i||as||  [a / as][i] = as[(i-1)] 0


Generated subgoal:

1 9. x = l[(i-1)]
  x = a  (i:i<||l|| & x = l[i])

1 step

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

(11steps total) PrintForm Definitions Lemmas mb list 1 Sections MarkB generic Doc