1. (30 pt.) Write each of the following arguments in argument form. Then, use the rules of inference to show that each argument is valid. Let S(x) be "x is a student in this class," P(x) be "x knows how to write programs in Java," and Q(r) be "x can get a good job," where the domain consists of all people. Bob, a student in this class, knows how to write programs in Java. Everyone who knows how to write programs in Java can get a good job. Therefore, someone in this class can get a good job b