Section Six: Determine if the following two propositions are logically equivalent by constructing and examining truth tables for both statements. 19. Judith and Kerry are heros (J, K) If Judith is a hero, then Kerry is a hero A. Logically equivalent B. Not logically equivalent 20. Mark or Jason will lead the class (M, J) If Mark does not lead the class, then Jason will. A. Logically equivalent B. Not logically equivalent