(27steps total) PrintForm Definitions Lemmas mb list 2 Sections MarkB generic Doc
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At: swap adjacent decomp 1 1 2 1 1 1 1 1 1
1. A : Type
2. L : A List
3. 1<||L||
4. ||tl(tl(L))|| = ||L||-2
5. i : 
6. i<||L||
7. i = 0
8. i = 1
  ||tl(L)|| = ||L||-1  
By: BackThru Thm* l:A List. ||l||1  ||tl(l)|| = ||l||-1  

Generated subgoals:

None

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

(27steps total) PrintForm Definitions Lemmas mb list 2 Sections MarkB generic Doc