What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x, if x were a carpenter, then x is cooking. For all x, if x cooks, then x is a server. For all x, x is a carpenter or x is not a server.
For all x, if x were a carpenter, then x is a server. For all x, if x were a server, then x is a carpenter.