At: no dup fusion 1 1 1 1
1. E: TaggedEventStruct
2. tr: |E| List
3. 
m:Label. No-dup-deliver(E)( < tr > _m)
4. Tag-by-msg(E)(tr)
5. x: |E|
6. y: |E|
7. 
is-send(E)(x)
8. is-send(E)(y)
9. y =msg=(E) x
10. loc(E)(x) = loc(E)(y)
11. x1,y:|E|.
is-send(E)(x1) 
is-send(E)(y) (y =msg=(E) x1) loc(E)(x1) = loc(E)(y) sublist(|E|;[x1; y]; < tr > _tag(E)(x))
12. sublist(|E|;[x; y];tr)
13. x1: |E|
14. x1 = x
tag(E)(x) =
tag(E)(x)
By: EqLblReflexive 0
Generated subgoals:None
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