Written by Constance Jones(UK) 
introduction to general logic [EPUB ebook] 

This book is a popular logic textbook and an introductory book on logic for beginners. The author, Constance Jones, is an authority in philosophical logic. In this book, the author introduces the basic knowledge of logic in concise writing, including propositions, definitions and scope of logic, elements of propositions, categorical propositions, general reasoning, direct reasoning, unconditional indirect reasoning, fallacies, inductions, deductions, principles and categories of logic, etc. At the same time, there is a set of problem sets before the index of this book, which are mainly taken from the examination papers released by Cambridge University, and a few are taken from Oxford or London. Interested readers can test their understanding of logic after reading this book.