The solutions in the PDF are mathematically rigorous (epsilon-delta arguments, M-test applications), but they avoid overly formal set-theoretic digressions. This makes the PDF usable alongside standard textbooks like Rudin's Principles of Mathematical Analysis or Apostol's Mathematical Analysis .

If you cannot find the exact PDF, look for equivalently structured books:

First-order, higher-order, and systems of differential equations. Intuitive Language

While Part I of the series deals with the basics of real numbers, limits, and differentiation, shifts focus to the foundational pillars of higher analysis. When you download or open the "Solving Problems in Mathematical Analysis Part II PDF," you will find the content typically organized around three major pillars: