(7steps total) PrintForm Definitions hol list 1 Sections HOLlib Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: it sum wf 1

1. l :  List
  it_sum(l 


By: ListInd 1 THEN CAuto


Generated subgoals:

1   it_sum(nil)  
1 step
2   0it_sum(nil)
1 step
3 2. u : 
3. v :  List
4. it_sum(v 
  it_sum(cons(uv))  

2 steps
4 2. u : 
3. v :  List
4. it_sum(v 
  0it_sum(cons(uv))

1 step

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

(7steps total) PrintForm Definitions hol list 1 Sections HOLlib Doc