2. Checking if an argument is valid (1 point per question; 5 points in total) To check if an argument is valid or not (before learning the truth table), you can first assume that the premises are true, and then ask if (hypothetically) the premises are true, is it possible the conclusion is false? In other words, does the conclusion necessarily follow? Use one sentence to justify your answer. a) Smith meets Jones at a party and learns that lones is a vegetarian. Based on this information, Smith concludes that lones must be a Buddhist b) On a math test, pat reasons, "First, all squares have four equal sides. Second, it is given that figure ABCD has four sides. So, figure ABCD must be a square. c) Every member of the Seattle Tiny Tim fan club plays the ukulele. Lorraine and Sue live in Seattle and play the ukulele. Therefore, Lorraine and Sue belong to the Seattle Tiny Tim fan club. d) Ann is Jane's biological mother. Ann is married to Tom. Therefore, Tom must be jane's biological father. e) All horses are green. All green things are plastic. Therefore, all horses are plastic