Quotable maths: Bourbaki Sep 13, 2012 Structures are the weapons of the mathematician - Bourbaki A selection of other posts Jun 24, 2020 Ask Uncle Colin: A Fraction of a Square Jan 2, 2019 Ask Uncle Colin: A Strange Simultaneous Equation Sep 18, 2017 The Paradox of the Second Ace Apr 28, 2014 A student asks: Why does variance do THAT? subscribe via RSS