This repository collects and standardizes mathematical notation, typographic conventions, and symbol definitions used in the Deep Learning Book (by Goodfellow, Bengio & Courville). Its main goal is to provide a canonical reference for notation so that derivative works (papers, lectures, tutorials) can align notation consistently. The content includes LaTeX macros, notation tables (e.g. symbols for vectors, tensors, functions, loss, activation), and cross-references mapping symbols to their...