zyBook Exercises 1 .9-1.13 4) The domain of discourse is the members of a chess club. The predicate B(x, y) means that person x has beaten person y at some point in time. Give a logical expression equivalent to the following English statements. a) No one has ever beat Nancy b) Everyone has been beaten before. c) Everyone has won at least one game. d) No one has beaten both Ingrid and Dominic e) There are two members who have never been beaten