Consider the following premises. For all x_7, if x_7 goes running, then x_7 is a musician. For all x_7, x_7 is a musician if and only if x_7 will play a game. There is at least one x_7 for which if x_7 plays a game, then x_7 is running. Can we infer the following from them? There is at least one x_7 for which if x_7 plays a game, then x_7 is a musician.
Yes.