Contracting SubspacesExplores the homotopy extension property for contractable subspaces and their quotient maps.
Homology TheoremCovers the proof of Theorem A, discussing homology, quotients, and isomorphisms.
Homotopy Lifting PropertyExplores the homotopy lifting property, demonstrating how to lift homotopic maps and solve lifting problems on different spaces.
Homotopic Extension ProblemExplores solving the homotopic extension problem, constructing relative CW complexes, and ensuring uniqueness in CW approximations.
