What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_11, x_11 is a politician if and only if x_11 will sleep. For all x_11, if x_11 sleeps, then x_11 is a lawyer. There is at least one x_11 for which x_11 is not a lawyer.
There is at least one x_11 for which x_11 will not sleep. For all x_11, if x_11 were a politician, then x_11 is sleeping. For all x_11, if x_11 sleeps, then x_11 is a politician.