What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? Sarah is an electrician or James is not a politician. For all x_13, if x_13 were a politician, then x_13 is poor. For all x_13, if x_13 were poor, then x_13 is a politician.
If James were a politician, then Sarah is an electrician. For all x_13, x_13 is a politician if and only if x_13 is poor. For all x_13, x_13 is poor if and only if x_13 is a politician.