Consider the following premises. For all x_6, if x_6 were an electrician, then x_6 is playing tennis. For all x_6, if x_6 plays tennis, then x_6 is an electrician. For all x_6, if x_6 were an electrician, then x_6 is playing tennis. Can we infer the following from them? For all x_6, if x_6 were an electrician, then x_6 is playing tennis.
That is one of the premises. Therefore, the answer is yes.