It occurs to me that you might be after a citation for Russell’s nightmare! It’s mentioned in a prominent sidebar at Wikipedia’s page on Principia Mathematica, but the original source is Hardy’s memoir, A Mathematician’s Apology, which is on the web in many places.
It occurs to me that you might be after a citation for Russell’s nightmare! It’s mentioned in a prominent sidebar at Wikipedia’s page on Principia Mathematica, but the original source is Hardy’s memoir, A Mathematician’s Apology, which is on the web in many places.
Thank you!!