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: Barbara is not curious. Michael is playing tennis if and only if it is cold. It is cold if and only if Barbara is curious.
If Michael plays tennis, then it is cold can be inferred via the biconditional elimination rule. If it is cold, then Barbara is curious can be inferred via the biconditional elimination rule. If it is cold, then Michael is playing tennis can be inferred via the biconditional elimination rule. If Barbara were curious, then it is cold can be inferred via the biconditional elimination rule. It is not cold can be inferred via the biconditional elimination rule.