What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? If Michael were a scientist, then James is poor. For all x_12, x_12 is a politician if and only if x_12 is a scientist. For all z, z is not poor.
For all x_12, if x_12 were a politician, then x_12 is a scientist. For all x_12, if x_12 were a scientist, then x_12 is a politician.