At: add action mem 1 2 1 2 2 2 1
1. St: Type
2. l: St*
3. f: St
St
4. s: St
5. u: St
6. v: St*
7. mem_f(St;s;(+f)(v)) 
mem_f(St;s;v)
(
s':St. mem_f(St;s';v) & f(s') = s)
8. mem_f(St;s;(+f)(v))
9.
s':St. mem_f(St;s';v) & f(s') = s
s':St. u = s'
mem_f(St;s';v) & f(s') = s
By:
Analyze -1
THEN
InstConcl [s']
THEN
ProveProp
Generated subgoals:None
About: