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_6 for which if x_6 were a poet, then x_6 is a server. For all x_6, if x_6 were a server, then x_6 is a poet. For all x_6, x_6 is not a poet.
For all x_6, x_6 is not a server. There is at least one x_6 for which x_6 is a poet if and only if x_6 is a server. There is at least one x_6 for which x_6 is a server if and only if x_6 is a poet.