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: Michael is a sailor. It is cold. Joseph is cooking.
Michael is a sailor and it is cold can be inferred via the conjunction rule. Michael is a sailor and Joseph is cooking can be inferred via the conjunction rule. It is cold and Michael is a sailor can be inferred via the conjunction rule. It is cold and Joseph is cooking can be inferred via the conjunction rule. Joseph is cooking and Michael is a sailor can be inferred via the conjunction rule. Joseph is cooking and it is cold can be inferred via the conjunction rule.