What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_8, x_8 is a carpenter if and only if x_8 will climb a mountain. For all x_8, x_8 will climb a mountain and x_8 is a cashier.
For all x_8, x_8 will climb a mountain. For all x_8, x_8 is a cashier. For all x_8, if x_8 were a carpenter, then x_8 is climbing a mountain. For all x_8, if x_8 climbs a mountain, then x_8 is a carpenter.