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, x will play squash or x will not play tennis. For all x, x will drink water. For all x, x will play squash or x will not drink water.
For all x, if x plays tennis, then x is playing squash can be inferred via the universal rewriting rule. For all x, if x drinks water, then x is playing squash can be inferred via the universal rewriting rule.