At: back listify 1 1 2 1 1 1 1
1. Alph: Type
2. S: ActionSet(Alph)
3. s: S.car
4. Fin(Alph)
5. Fin(S.car)
6. LL: (S.car
S.car*)*
7. u1: S.car
8. u2: S.car*
9. v: (S.car
S.car*)*
10. BL: S.car*
11.
t:S.car. mem_f(S.car;t;BL) 
(
i:
||v||. 1of(v[i]) = t & mem_f(S.car;s;2of(v[i])))
12. mem_f(S.car;s;u2)
13. t: S.car
14. u1 = t
i:
(||v||+1). 1of(( < u1,u2 > .v)[i]) = t & mem_f(S.car;s;2of(( < u1,u2 > .v)[i]))
By:
InstConcl [0]
THEN
Reduce 0
Generated subgoals:None
About: