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At: swap adjacent decomp 1 2 1

1. A : Type
2. L : A List
3. 1<||L||
4. ||tl(L)|| = ||L||-1
5. ||tl(tl(L))|| = ||L||-2
  ||swap(L;0;1)|| = ||[L[1]; L[0] / tl(tl(L))]||  


By: RWO Thm* L:T List, i,j:||L||. ||swap(L;i;j)|| = ||L||   0 THEN Reduce 0


Generated subgoals:

None

About:
listconsconsintnatural_numbersubtractless_thanuniverseequalall
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