Consider the following premises. For all x_6, x_6 will climb a mountain. For all x_6, if x_6 climbs a mountain, then x_6 is an artist. For all x_6, x_6 will sleep or x_6 is a doctor. For all x_6, x_6 will not sleep. Can we infer the following from them? For all x_6, x_6 will sleep or x_6 is a doctor.
That is one of the premises. Therefore, the answer is yes.