At: formula or left falsifiable211 1. concl: Formula List 2. M: Formula List 3. N: Formula List 4. q: Formula 5. r: Formula 6. a: Assignment 7. FM.a |= F 8. a |= qr 9. FN.a |= F 10. Fconcl.a | F
a |= q & FM.a |= F & FN.a |= F & Fconcl.a | F
a |= r & FM.a |= F & FN.a |= F & Fconcl.a | F By: FwdThru
Thm*a:Assignment, q,r:Formula. a |= qr a |= q a |= r
[-3]
THEN
Analyze -1 Generated subgoals: