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 is not a politician or x_6 will play squash. There is at least one x_6 for which if x_6 were a cashier, then x_6 is a bartender. For all x_6, x_6 will play squash if and only if x_6 is a bartender. For all x_6, x_6 is a politician or x_6 is a cashier.
For all x_6, x_6 is a cashier or x_6 will play squash. For all x_6, if x_6 plays squash, then x_6 is a bartender. For all x_6, if x_6 were a bartender, then x_6 is playing squash.