Publisher's Synopsis
Through the study of this book, everyone will be a logician. He can master the following five kinds of ability: 1. He can fully master the ability to read logic laws from the overlapping circle diagram; 2. He can draw the overlapping circle diagram according to the logical laws; 3. He can use a pen and a piece of paper, it is very easy to get the logical laws; 4. He can get logical conclusion from the known premise through draw the overlapping circle diagram to do forward logical thinking; 5. He can go from the partial known conditions and to achieve the goal (conclusion), through draw the overlapping circle diagram to obtain that should make up the lack of conditions, do the reverse logical thinking. The reader can read this book easily when he read the chapter one of "circle said logic" (in reference) part.
