2. Let F(r, y) be the proposition that r is the father of y, and let M (r, y be the proposition that r is the mother of y. Express each of the following propositions symbolically. (a) Fred is Ann\'s father. (b) A is the child of B. Solution Given that, x is the father of y can be represented as F(x,y) and x is the mother of y can be represented as M(x,y) (a) F(Fred,Ann) (b) M(B,A) or F(B,A).