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 Thomas were happy, then Jessica is excited. Jessica is excited if and only if Linda is bored.
If Jessica were excited, then Linda is bored can be inferred via the biconditional elimination rule. If Linda were bored, then Jessica is excited can be inferred via the biconditional elimination rule.