Quotable maths: Bourbaki Sep 13, 2012 Structures are the weapons of the mathematician - Bourbaki A selection of other posts Aug 12, 2020 Ask Uncle Colin: A Circle In 3D Mar 9, 2020 A PSA on Cylinders and Prisms Jul 5, 2017 Ask Uncle Colin: Factors! Mar 22, 2017 Ask Uncle Colin: A Separable Difficulty subscribe via RSS