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_3, x_3 is a server. For all x_3, x_3 will sleep and x_3 will drink water.
For all x_3, x_3 will sleep can be inferred via the universal simplification rule. For all x_3, x_3 will drink water can be inferred via the universal simplification rule.