Consider the following premises. For all x_8, x_8 is a scientist and x_8 is an artist. There is at least one x_8 for which x_8 is curious if and only if x_8 is a scientist. Can we infer the following from them? For all x_8, x_8 is a scientist and x_8 is an artist.
That is one of the premises. Therefore, the answer is yes.