QUESTION 13 The plane is flying now. Therefore, the plane is either flying or landing now This is an example of Conjunction O Addition O Resolution O Simplification O Modus Ponens QUESTION 14 Which of the following predicates and quantifiers can be used to represent the statement "Every athlete has a favonite sport. Let Afo) be "x is an athlete" and So) be "x has a favorite sport QUESTION 15 Let P(x.y) denote "3x >y". P(x, 10) is a proposition. True o o False