In the book on formal logic, chapter 1 is written by D. P. Gorski, Chapter 2 - In. F. Asmus, Chapter 3 - D. P. Gorskii, Chapters 4 - 7 - P. In. Tavanz, Chapter 8 - D. P. Gorski, Chapter 9 - In. and . Shempkovskaya and P. In. Tavanz, Chapters 10 and 11-B. F. Glagolev, chapters 12-15 - B. F. Asmus, Chapter 16 - D. P. Mountain. Scientific and organizational work on the preparation of the book was done by E. and . Basovoy . The book does not purport to be an exhaustive statement of formal logic. Not all the problems of formal logic are covered in the book, not all the questions posed in it are presented with the same completeness.