Li Ailun is a Chinese book author about whom limited public information is available. The library currently holds only one work by this author, The Minimalist Logic, commonly classified under society and culture. This representative work suggests that the author focuses on logic, a relatively specialized field, and seeks to lower the barrier to reading through a "minimalist" approach, connecting abstract concepts with everyday thinking, expression, and judgment so that general readers can engage with and apply basic logical knowledge. The writing tends to be concise and practical, emphasizing readability and usefulness rather than elaborate academic argumentation. Since no reliable public information is available about the author's education, professional experience, or writing career, this introduction makes no speculation and presents the author's writing profile solely on the basis of the existing bibliographic facts. The current reach of the work awaits further evidence.