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: It is cold if and only if Linda is running. If it is cold, then Linda is running.
If it is cold, then Linda is running can be inferred via the biconditional elimination rule. If Linda goes running, then it is cold can be inferred via the biconditional elimination rule.