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At: swap cons 2 2

1. T : Type
2. L : T List
3. x : T
4. i : {1..(||L||+1)}
5. j : {1..(||L||+1)}
6. i1 : 
7. i1<||swap([x / L];i;j)||
8. i1 = 0
  swap([x / L];i;j)[i1] = [x / swap(L;i-1;j-1)][i1]


By: RWO Thm* a:Tas:T List, i:. 0<i  i||as||  [a / as][i] = as[(i-1)] 0


Generated subgoals:

1   i1||swap(L;i-1;j-1)||
1 step
2   swap([x / L];i;j)[i1] = swap(L;i-1;j-1)[(i1-1)]
6 steps

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

(15steps total) PrintForm Definitions Lemmas mb list 2 Sections MarkB generic Doc