The book "Introduction to modern logic. The first volume." by Ufhues Goswin is an important study in logic that thoroughly examines the basic principles of modern logic. The author unfolds before the reader a wide range of topics, starting from the language of symbols of logic and ending with more complex arguments and conclusions. The book "Introduction to modern logic. The first volume." will be a useful guide both for students studying logic in higher educational institutions and for anyone interested in philosophy and issues of logic.