AUSTINE & CHILTON MCDONNELL COMMON ROOM—In a move that shocked the global mathematics community Thursday evening, the Harvard Department of Mathematics managed to prove that they definitely aren’t sexist by counterexample.

“If we were sexist, we wouldn’t hire any female professors. Since we have hired a female professor, we aren’t sexist. QED,” read an official statement issued by several senior faculty members in the Math Department. “For all the ladies out there, that’s a little tool called the contrapositive.”