What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_8, if x_8 were an astronaut, then x_8 is a police officer. There is at least one x_8 for which x_8 is not bored. For all x_8, x_8 is a police officer if and only if x_8 is bored.
For all x_8, if x_8 were a police officer, then x_8 is bored. For all x_8, if x_8 were bored, then x_8 is a police officer. There is at least one x_8 for which x_8 is not a police officer.