A man can be contradictory: it governed rather, than exception. By confirmation our reacting serves it under influence of emotions or feeling, conflicting with the rational reasoning and decisions. When before us client behavior of that does not yield to logical explanation (for example, a girl that renouncing a meal is ready to die for the sake of idea of beauty), task of internist is our the key to the decision, leaning on logic of problem.In the real book in focus of attention types of eccentric logic, that are the basis of various problems and pathologies, and that it is necessary to be able to recognize and use for being of effective decision at therapeutic interference. The logicians of paradox are described, contradictions both faiths and types of therapeutic changes - catastrophic, gradual and a change with the effect of avalanche| is examined connection of logic of problem and type of changes, that must be chosen at planning of therapeutic interference. To the final head clinical cases are driven, on the example of that theoretical material is illustrated.A book is intended for специалистов-психотерапевнов, psychologists, physicians, students of aforesaid specialities and other readers, interested in modern psychology and decision of human problems.In the format of a4.pdf is stored publishing layout.