The system of logic syllogistic and inductive: a statement of the principles of proof in connection with the methods of scientific research by John Stuart Mill, co-author with B. N. Ivanovsky and Victor Konstantinovich Finn, is a deep and comprehensive study of the logical methods that underlie scientific knowledge. This work not only enriches the reader with theoretical knowledge, but also offers practical tools that can be useful both in the academic environment and in everyday life. The book focuses on the analysis of two main types of logic: syllogistic and inductive. Sillogisms, as a form of deductive inference, allow conclusions to be drawn based on general statements, while inductive methods help form generalizations based on observations and specific cases. Mill, as one of the founders of logic and philosophy of science, masterfully demonstrates how these two approaches can be used to build reliable arguments and evidence. The reader will be able to immerse himself in a world of logical constructs that not only enrich his intellectual baggage, but also develop critical thinking. This book will be of particular interest to undergraduate and graduate students studying philosophy, logic, sociology, and other humanities. It will also attract the attention of researchers and practitioners seeking to improve their skills in scientific method and argumentation. If you are interested in scientific knowledge, you want to understand how scientific theories are formed and what methods are used to test them, then this work will become an indispensable source of knowledge for you. The topics raised in the book cover a wide range of issues related to logic and the scientific method. Mill considers how to formulate hypotheses correctly, how to conduct experiments, and what methods of data analysis to use to achieve reliable results. He also draws attention to the importance of a critical approach to information and the need to verify conclusions, which is especially relevant in today's world, where information is available in huge volumes and requires careful evaluation. The style of John Stuart Mill is clear and logical, which makes his ideas available to a wide audience. His other well-known works, such as Utilitarianism and On Freedom, also demonstrate his desire to systematize knowledge and search for rational solutions. In collaboration with Ivanovsky and Finn, he creates a synergistic effect, enriching the text with new views and approaches, which makes the “System of Logic” an even more valuable resource. This book is not just a textbook on logic; it is a real find for those who want to deepen their knowledge of scientific research methods. It opens the door to the world of logical thinking, allowing the reader not only to master the theory, but also to apply the knowledge gained in practice. If you are looking for a work that will help you develop analytical abilities and teach you to think critically, then the “System of logic syllogistic and inductive” will become your reliable companion in this fascinating journey.