What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? There is at least one x_7 for which x_7 is a server if and only if x_7 is an artist. For all x_7, x_7 will not work. For all x_7, x_7 will work or x_7 is a server.
For all x_7, x_7 is a server. There is at least one x_7 for which if x_7 were a server, then x_7 is an artist. There is at least one x_7 for which if x_7 were an artist, then x_7 is a server.