What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? There is at least one x_11 for which if x_11 were an office clerk, then x_11 is sleeping. For all x_11, if x_11 sleeps, then x_11 is an office clerk. For all x_11, x_11 will sleep or x_11 is not an office clerk.
For all x_11, if x_11 were an office clerk, then x_11 is sleeping. There is at least one x_11 for which x_11 is an office clerk if and only if x_11 will sleep. There is at least one x_11 for which x_11 will sleep if and only if x_11 is an office clerk.