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At: swap cons 2 1

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)[0] = [x / swap(L;i-1;j-1)][0]


By: Reduce 0


Generated subgoal:

1   swap([x / L];i;j)[0] = x
3 steps

About:
listconsintnatural_numberaddsubtractless_thanuniverseequal
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