#30 Homotopy Type Theory Explained: Pullbacks, Pushouts

#33 Homotopy Type Theory Explained: Higher Dimensional Loop Spaces, Abelian Groups

#34 Homotopy Type Theory Explained: Semi-Direct Products, Automorphisms

#29 Homotopy Type Theory Explained: Quotient Groups

#27 Homotopy Type Theory Explained: Free products, Wedge sums

#28 Homotopy Type Theory Explained: Group Homomorphisms

#26 Homotopy Type Theory Explained: Covering Spaces

#31 Homotopy Type Theory Explained: Function Extensionality

#32 Homotopy Type Theory Explained: Suspensions

#25 Homotopy Type Theory Explained: Univalence Axiom