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 y, y is curious. For all y, y is a mechanic. For all y, if y were curious, then y is driving a car.
For all y, y will drive a car can be inferred via the universal modus ponens rule. For all y, y is curious and y is a mechanic can be inferred via the universal conjunction rule. For all y, y is a mechanic and y is curious can be inferred via the universal conjunction rule.