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_9, x_9 is not curious. For all x_9, x_9 will drive a car and x_9 will work. For all x_9, x_9 is curious or x_9 is a sailor.
For all x_9, x_9 is a sailor can be inferred via the universal disjunctive syllogism rule. For all x_9, x_9 will drive a car can be inferred via the universal simplification rule. For all x_9, x_9 will work can be inferred via the universal simplification rule.