What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? Name the inference rule being used: For all x_15, x_15 will listen to a song or x_15 will not play squash. If Michael listens to a song, then it is sunny. For all x_15, x_15 will play squash.
For all x_15, if x_15 plays squash, then x_15 is listening to a song can be inferred via the universal rewriting rule.