At: formula imp left falsifiable1 1. concl: Formula List 2. M: Formula List 3. N: Formula List 4. q: Formula 5. r: Formula 6. a: Assignment 7. a | < r.(M @ N),concl > a | < M @ N,q.concl >
a | < M @ (qr.N),concl > By: Analyze -1 Generated subgoals: