The Barber Paradox Shook the Foundations of Math
No less a mind than Bertrand Russell, of Principia Mathematica fame, was responsible for this paradox, which opened a hole in math. It’s those barbers. The Barber Paradox shows that barbers are not to be trusted. In 1901, Bertrand Russell, a philosopher and mathematician, was mulling over set theory. Sets, in mathematics, are any groups…
