(4 points) Determine whether the statements in (a) and (b) are logically equivalent (see below). Do this by assigning logical variables to statements involved. Then use a truth table or a logical argument using the logic rules presented in class. (a) Bob is both a math and a computer science major and Ann is a math major, but Ann is not both a math and computer science major. (b) It is not the case that both Bob and Ann are both math and computer science majors, but it is the case that Ann is a math major and Bob is both a math and computer science major. (4 points) Determine whether the statements in (a) and (b) are logically equivalent (see below). Do this by assigning logical variables to statements involved. Then use a truth table or a logical argument using the logic rules presented in class. (a) Bob is both a math and a computer science major and Ann is a math major, but Ann is not both a math and computer science major. (b) It is not the case that both Bob and Ann are both math and computer science majors, but it is the case that Ann is a math major and Bob is both a math and computer science major.