What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x, if x were fast, then x is a poet. For all x, if x works, then x is a poet. There is at least one x for which if x were a poet, then x is working. For all x, x is fast.
For all x, x is a poet. There is at least one x for which if x were fast, then x is working. There is at least one x for which x is a poet if and only if x will work. There is at least one x for which x will work if and only if x is a poet.