P23iffQ23P_{23} \\iff Q_{23}P23iffQ23 is true. Which scenario is possible?
Neither can be determined
P23P_{23}P23 is False and Q23Q_{23}Q23 is True
Both P23P_{23}P23 and Q23Q_{23}Q23 are True
P23P_{23}P23 is True and Q23Q_{23}Q23 is False