Book «No1753 Main theoretic-multiple constructions. H. 2: Training. Prokopchuk Yu . Yu. , Svetozarova G. and . , Diacko A. G. and wide A. and . represents an important contribution to the field of set theory and mathematical logic. It is a tutorial that continues the research started in the first part and deepens the understanding of theoretic-multiple constructs, making it indispensable for students, graduate students and teachers involved in mathematics and related disciplines. The second part of the book focuses on more complex aspects of set theory, including various designs that can be applied in mathematics, computer science, and even philosophy. The authors offer readers not only theoretical foundations, but also practical examples that will help them better absorb the material. The book covers topics such as set theory axioms, set operations, and the different types of sets and their properties. Each chapter is constructed logically and consistently, allowing the reader to easily follow the authors' thinking. This book will be of particular interest to undergraduate and graduate students studying mathematics, computer science, as well as those interested in logic and philosophy. Teachers will find in it useful materials for the preparation of lectures and seminars, as well as assignments for students, which will help to consolidate the knowledge gained . Readers who are passionate about mathematical concepts and their application in real life will also appreciate the depth and accessibility of the presentation. One of the key topics raised in the book is the connection of set theory with other areas of knowledge. The authors show how multi-theoretic constructs can be used to solve practical problems in computer science, such as algorithms and data structures. This makes the manual relevant not only for theorists, but also for practitioners working in the field of programming and software development. The style of the authors is clear and accessible, which allows even complex concepts to be explained in simple language. They use many examples and illustrations, which makes learning more fun and interactive. Prokopchuk, Svetozarov, Diaczko and Shirokov are known for their previous work in mathematics and logic, and their experience and deep knowledge are felt on every page of the book. If you are interested in such works as "Multiple Theory" K. Kurtz or "Mathematical Logic" E. K. Levine, then this tutorial will be a great addition to your library. Not only will it expand your knowledge of set theory, but it will also help you develop the analytical thinking you need to solve complex problems. Thus, "No. 1753 Main theoretic-multiple constructions. H. 2: Training. The manual is not just a textbook, but a real find for everyone who seeks to deepen their knowledge in mathematics and logic. This book will inspire you to new discoveries and help you master the complex but fascinating concepts of set theory. Do not miss the opportunity to become part of this fascinating journey into the world of mathematics!