Part I: Foundations (Chapters I-VII) Type Theory, Set Theory, Category Theory, Metatheory, Topos Theory, Homotopy Type Theory, Computability & Recursion Theory
Part II: Structural Mathematics (Chapters VIII-XII) Algebra, Topology, Analysis, Algebraic Topology & Algebraic Geometry, Modern Mathematical Structures
Part III: Specialized Mathematics (Chapters XIII-XXXI) Number Theory, Measure Theory, Differential Geometry, and other specialized topics