(6steps total) PrintForm Definitions list 1 Sections StandardLIB Search Doc
IF YOU CAN SEE THIS go to http://www.cs.cornell.edu/Info/People/sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: length tl
  A:Type, l:A List. ||l||1  ||tl(l)|| = ||l||-1
By: RepeatMFor 2 (Analyze 0)

Generated subgoal:

1 1. A : Type
2. l : A List
  ||l||1  ||tl(l)|| = ||l||-1
5 steps

About:
listintnatural_numbersubtractuniverseequalimpliesall
IF YOU CAN SEE THIS go to http://www.cs.cornell.edu/Info/People/sfa/Nuprl/Shared/Xindentation_hack_doc.html

(6steps total) PrintForm Definitions list 1 Sections StandardLIB Search Doc