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: Susan is driving a car if and only if it is cold. It is cold if and only if Susan is driving a car.
If Susan drives a car, then it is cold can be inferred via the biconditional elimination rule. If it is cold, then Susan is driving a car can be inferred via the biconditional elimination rule. If it is cold, then Susan is driving a car can be inferred via the biconditional elimination rule. If Susan drives a car, then it is cold can be inferred via the biconditional elimination rule.