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 will sleep or x_9 is not a scientist. There is at least one x_9 for which x_9 is a scientist or x_9 will not sleep.
For all x_9, if x_9 were a scientist, then x_9 is sleeping. There is at least one x_9 for which if x_9 sleeps, then x_9 is a scientist.