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, x_1 is happy. For all x_1, x_1 is an electrician.
For all x_1, x_1 is happy and x_1 is an electrician. For all x_1, x_1 is an electrician and x_1 is happy.