At: switch main theorem 1
1. E: EventStruct
2. P: (|E| List)
Prop
3. A: Type
4. evt: A|E|
5. tg: ALabel
6. tr_u: |E| List
7. tr_l: A List
8. switchable(E)(P)
9. No-dup-send(E)(tr_u)
10. tr_m: A List
11. tr_l R(tg) tr_m
12. map(evt;tr_m) layerR(E) tr_u
13. switch_inv( < A,evt,tg > (E))(tr_m)
14. 
m:Label. P(map(evt; < tr_l > _m))
No-dup-send(E)(map(evt;tr_m))
By:
Inst
Thm* E:EventStruct. layerR(E)^-1 preserves No-dup-send(E)
[E]
THEN
Unfolds [`preserved_by`;`rel_inverse`] -1
THEN
Reduce -1
THEN
EasyHyp
Generated subgoals:None
About:
