| By: |
THEN AssertBY (||tl(L)|| = ||L||-1) (RWW Thm* THEN ListDecomp [2;2;1;2] 0 THEN ListDecomp [2;2;2;2;1] 0 THEN InstHyp [tl(L)] 4 |
| 1 |
6. i+1<||L|| 7. ||tl(L)|| = ||L||-1 8. 8. tl(L) = (X @ [tl(L)[(i-1)]; tl(L)[(i-1+1)]] @ Y) 8. & swap(tl(L);i-1;i-1+1) = (X @ [tl(L)[(i-1+1)]; tl(L)[(i-1)]] @ Y) | 6 steps |
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