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: There is at least one x_11 for which if x_11 were excited, then x_11 is not listening to a song. For all x_11, x_11 is excited or x_11 will play squash. For all x_11, x_11 will listen to a song and x_11 is a musician.
For all x_11, x_11 will listen to a song can be inferred via the universal simplification rule. For all x_11, x_11 is a musician can be inferred via the universal simplification rule.