Ebook: How to bake π: an edible exploration of the mathematics of mathematics

"In How to Bake Pi, math professor Eugenia Cheng provides an accessible introduction to the logic and beauty of mathematics, powered, unexpectedly, by insights from the kitchen: we learn, for example, how the béchamel in a lasagna can be a lot like the number 5, and why making a good custard proves that math is easy but life is hard"--;Math. What is math? ; Abstraction ; Principles ; Process ; Generalization ; Internal vs. external ; Axiomatization ; What mathematics is -- Category theory. What is category theory? ; Context ; Relationships ; Structure ; Sameness ; Universal properties ; What category theory is.