What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_9, x_9 is bored if and only if x_9 is an electrician. For all x_9, x_9 is not an electrician. There is at least one x_9 for which x_9 is bored if and only if x_9 is a taxi driver.
For all x_9, if x_9 were bored, then x_9 is an electrician. There is at least one x_9 for which if x_9 were bored, then x_9 is a taxi driver. For all x_9, if x_9 were an electrician, then x_9 is bored. There is at least one x_9 for which if x_9 were a taxi driver, then x_9 is bored. For all x_9, x_9 is not bored.