What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x, x is poor if and only if x will work. James is poor if and only if it is cloudy. For all x, x will not work.
If James were poor, then it is cloudy. If it is cloudy, then James is poor. For all x, if x were poor, then x is working. For all x, if x works, then x is poor. For all x, x is not poor.