At: formula imp left sound1 1. concl: Formula List 2. M: Formula List 3. N: Formula List 4. q: Formula 5. r: Formula 6. |= < M @ N,q.concl > 7. |= < r.(M @ N),concl >
|= < M @ (qr.N),concl > By: UnfoldTopAb -1
THEN
UnfoldTopAb 0
THEN
Analyze 0 Generated subgoal: