What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_6, x_6 will sleep if and only if x_6 is fast. There is at least one x_6 for which if x_6 cooks, then x_6 is sleeping. For all x_6, x_6 will cook.
There is at least one x_6 for which x_6 will sleep. For all x_6, if x_6 sleeps, then x_6 is fast. For all x_6, if x_6 were fast, then x_6 is sleeping.