Un manuel de logique crit pour les gens du monde et les jeunes gens. L'auteur pr sente la logique de mani re simple et concise, en utilisant des exemples pratiques pour mieux comprendre les concepts abstraits. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations...