At: P no dup composable 1 1 1 2 2 1 2 1
1. E: EventStruct
2. x: |E| List
3. y: |E| List
4. z: |E| List
5. 
i,j:
||x||.
is-send(E)(x[i]) 
is-send(E)(x[j]) (x[j] =msg=(E) x[i]) loc(E)(x[i]) = loc(E)(x[j]) i = j
6. i,j:||y||.
is-send(E)(y[i])
is-send(E)(y[j]) (y[j] =msg=(E) y[i]) loc(E)(y[i]) = loc(E)(y[j]) i = j
7. x@0:|E|. (x@0 
x) (y@0:|E|. (y@0 y) (x@0 =msg=(E) y@0))
8. z = (x @ y)
9. i: ||z||
10. j: ||z||
11. is-send(E)(z[i])
12. is-send(E)(z[j])
13. z[j] =msg=(E) z[i]
14. loc(E)(z[i]) = loc(E)(z[j])
15. i < j
16. j < ||x||
17. ||z|| = ||x||+||y||
18. z[j] = y[(j-||x||)]
19. i < ||x||
20. z[i] = x[i]
21. (x[i] =msg=(E) y[(j-||x||)])
i = j
By:
Analyze -1
THEN
SubstFor x[i] 0
THEN
SubstFor y[(j-||x||)] 0
Generated subgoal:| 1 | z[i] =msg=(E) z[j] |
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