What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_6, x_6 is an electrician if and only if x_6 is a lawyer. For all x_6, x_6 is an electrician or x_6 is not a carpenter.
For all x_6, if x_6 were a carpenter, then x_6 is an electrician. For all x_6, if x_6 were an electrician, then x_6 is a lawyer. For all x_6, if x_6 were a lawyer, then x_6 is an electrician.