What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? There is at least one x_6 for which x_6 will read a book or x_6 will play squash. For all x_6, x_6 is rich or x_6 will not play squash. For all x_6, if x_6 climbs a mountain, then x_6 is rich. For all x_6, x_6 will not read a book or x_6 will climb a mountain.
There is at least one x_6 for which x_6 will play squash or x_6 will climb a mountain. For all x_6, if x_6 plays squash, then x_6 is rich.