What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_1, if x_1 were a carpenter, then x_1 is working. For all x_1, x_1 is not a writer. For all x_1, if x_1 works, then x_1 is a writer.
For all x_1, x_1 will not work. For all x_1, if x_1 were a carpenter, then x_1 is a writer.