What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_13, if x_13 were curious, then x_13 is a cashier. For all x_13, if x_13 were an electrician, then x_13 is running. For all x_13, if x_13 goes running, then x_13 is an electrician. For all x_13, x_13 will not go running. For all x_13, x_13 is an electrician if and only if x_13 is a cashier.
For all x_13, x_13 is not an electrician. For all x_13, x_13 is an electrician if and only if x_13 will go running. For all x_13, x_13 will go running if and only if x_13 is an electrician. For all x_13, if x_13 were an electrician, then x_13 is a cashier. For all x_13, if x_13 were a cashier, then x_13 is an electrician.