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 is not poor. For all x_6, if x_6 were a writer, then x_6 is poor. For all x_6, x_6 is a writer if and only if x_6 will climb a mountain.
There is at least one x_6 for which x_6 is not a writer. For all x_6, if x_6 were a writer, then x_6 is climbing a mountain. For all x_6, if x_6 climbs a mountain, then x_6 is a writer.