At: formula or left sound11112211 1. concl: Formula List 2. M: Formula List 3. N: Formula List 4. q: Formula 5. r: Formula 6. |= < q.(M @ N),concl > 7. a: Assignment 8. a | < M @ (qr.N),concl > 9. a | < q.(M @ N),concl >
a |= < r.(M @ N),concl > a | < r.(M @ N),concl > By: With a (Analyze -4) Generated subgoals: