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 for which x is happy if and only if x is a poet. For all x, if x were a cashier, then x is a poet.
There is at least one x for which if x were happy, then x is a poet. There is at least one x for which if x were a poet, then x is happy.