If a PhD in Mathematics tells you 2 + 2 is 19, it does NOT reveal that 2 + 2 is 19...it reveals that you shouldn’t trust them when they talk about other aspects of Mathematics.
interesting then that even though an X chromosome and a Y chromosome can be combined in only two ways the modern math major STILL cannot define what constitutes a woman. the gender issue is obviously more of a misunderstanding of math than most people think.