Textbooks for learning the basics of logic. Teaching "Logic" Price: ¥2560 + tax Hiroshi Usami It seems to be a rare book. Easy-to-Understand Logic Lessons Cultivating logical thinking in Japanese language classes Hirotaka Namba Meiji Tosho Price: ¥2000 + tax There is a slight crease on the cover, but the inside has no writing, etc., and may be unread. Subject Instruction Japanese Language Education