"Grundriß der Logik" is a widely recognized book by the German philosopher Kurt Joachim Grau, which has found its place among the classic works on logic. In his work, the author explores the basic principles of logical thinking, revealing their structure and meaning. The book contains an in-depth analysis of logical concepts and methods of inference, which helps the reader better understand the essence of logic and its application in various fields of knowledge. "Grundriß der Logik" will be a useful guide for anyone interested in philosophy, logic and the development of analytical thinking.