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 fast if and only if x is bored. For all x, if x were an office clerk, then x is bored. For all x, x is fast if and only if x is an office clerk.
For all x, if x were fast, then x is bored. For all x, if x were fast, then x is an office clerk. For all x, if x were bored, then x is fast. For all x, if x were an office clerk, then x is fast.