What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_6, x_6 will not play squash. For all x_6, if x_6 plays squash, then x_6 is rich. There is at least one x_6 for which x_6 is rich if and only if x_6 will play squash.
There is at least one x_6 for which if x_6 were rich, then x_6 is playing squash. There is at least one x_6 for which if x_6 plays squash, then x_6 is rich. There is at least one x_6 for which x_6 is not rich.