books.google.fr - The aim of this book is to provide an exposition of elementary formal logic. The course, which is primarily intended for first-year students who have no previous knowledge of the subject, forms a working basis for more advanced reading and is presented in such a way as to be intelligible to the layman....https://books.google.fr/books/about/Beginning_Logic.html?hl=fr&id=qkmG04_ecLMC&utm_source=gb-gplus-shareBeginning Logic
