The textbook describes a complete set of classic and latest logical programming tools, as well as paradigms of functional, generalized, imperative and object-oriented programming, which are organically included in Visual Prolog 7.5. The main ways of representation and processing of graphs, trees and arrays, tools of professional programming are considered. Examples of the development of character converters, calculators, interpreters of programming languages, game models, etc. The book contains a programming workshop and a description of the main classes of Visual Prolog.