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1. Alph: Type
2. L: Alph*Prop
3. l: Alph*
4. i: {0...||l||}
5. L(l[0..i])
6. (l[i..||l||]) = nil
7. ||l||-i = 0
8. ||l|| = i

L(l)

By: RWH (RevHypC 8) 5

Generated subgoal:

15. L(l[0..||l||])
6. (l[i..||l||]) = nil
7. ||l||-i = 0
8. ||l|| = i
L(l)


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