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

  T:Type, as:T List, x:T. 0<||as||  (x  tl(as))  (x  as)

By: Auto THEN ParallelOp -1 THEN ExRepD


Generated subgoal:

1 1. T : Type
2. as : T List
3. x : T
4. 0<||as||
5. i : 
6. i<||tl(as)||
7. x = tl(as)[i]
  i:i<||as|| & x = as[i]

1 step

About:
listnatural_numberless_thanuniverseequalimpliesallexists
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