(6steps total) PrintForm Definitions Lemmas mb list 1 Sections MarkB generic Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: l before member 1 1 1

1. T : Type
2. L : T List
3. a : T
4. b : T
5. [ab L
  [b [ab]


By: BackThru Thm* L1,L2:T List. null(L2 L1  tl(L2 L1  L2 THEN Reduce 0


Generated subgoals:

1   False
1 step
2   [b [b]
1 step

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

(6steps total) PrintForm Definitions Lemmas mb list 1 Sections MarkB generic Doc