Nuprl - Proof: length tl 1 1 1

IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: length tl 1 1 1

1. A : Type
2. A List
3. 0

||tl(nil)|| = ||nil||-1

By:	Assert False

Generated subgoals:

None

About:

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