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: It is cold or Charles is not driving a car. Charles is driving a car or it is not cold.
If Charles drives a car, then it is cold can be inferred via the rewriting rule. If it is cold, then Charles is driving a car can be inferred via the rewriting rule.