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