What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all y, y will climb a mountain or y is not fast. For all y, if y works, then y is a soldier. There is at least one y for which if y climbs a mountain, then y is working.
There is at least one y for which if y climbs a mountain, then y is a soldier. For all y, if y were fast, then y is climbing a mountain.