What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_12, x_12 is an electrician if and only if x_12 will climb a mountain. For all x_12, if x_12 were an electrician, then x_12 is curious. For all x_12, x_12 will climb a mountain. For all x_12, if x_12 writes a letter, then x_12 is not curious.
For all x_12, if x_12 were an electrician, then x_12 is climbing a mountain. For all x_12, if x_12 climbs a mountain, then x_12 is an electrician.