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: If it is cold, then it is windy. If Charles were a cashier, then Mary is drinking water. If Mary drinks water, then it is cold. If it is windy, then Charles is a cashier.
If it is cold, then Charles is a cashier can be inferred via the transitivity rule. If Charles were a cashier, then it is cold can be inferred via the transitivity rule. If Mary drinks water, then it is windy can be inferred via the transitivity rule. If it is windy, then Mary is drinking water can be inferred via the transitivity rule.