What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? There is at least one x_11 for which x_11 will read a book. For all x_11, if x_11 were rich, then x_11 is not reading a book. For all x_11, x_11 is a bartender if and only if x_11 is rich.
There is at least one x_11 for which x_11 is not rich. For all x_11, if x_11 were a bartender, then x_11 is rich. For all x_11, if x_11 were rich, then x_11 is a bartender.