At: formula not left falsifiable1111 1. concl: Formula List 2. M: Formula List 3. N: Formula List 4. f2: Formula 5. a: Assignment 6. FM.a |= F & FN.a |= F & a | f2 & Fconcl.a | F
FM.a |= F & a |= f2 & FN.a |= F & Fconcl.a | F By: Auto Generated subgoal: