Introduction to Logic

📘 About This Book

Introduction to Logic combines likely the broadest scope of any logic textbook available with clear, concise writing and interesting examples and arguments. Its key features, all retained in the Second Edition, include: • simpler ways to test arguments than those available in competing textbooks, including the star test for syllogisms • a wide scope of materials, making it suitable for introductory logic courses (as the primary text) or intermediate classes (as the primary or supplementary book) • engaging and easy-to-understand examples and arguments, drawn from everyday life as well as from the great philosophers • a suitability for self-study and for preparation for standardized tests, like the LSAT • a reasonable price (a third of the cost of many competitors) • exercises that correspond to the LogiCola program, which may be downloaded for free from the web. This Second Edition also: • arranges chapters in a more useful way for students, starting with the easiest material and then gradually increasing in difficulty • provides an even broader scope with new chapters on the history of logic, deviant logic, and the philosophy of logic • expands the section on informal fallacies • includes a more exhaustive index and a new appendix on suggested further readings • updates the LogiCola instructional program, which is now more visually attractive as well as easier to download, install, update, and use.

📖 Summary

Harry J. Gensler's Introduction to Logic, published in 2012, is a comprehensive and accessible guide designed to help readers master the fundamental principles of clear thinking, valid reasoning, and philosophical argumentation. Spanning 431 pages, the second edition of this textbook offers one of the broadest scopes available in any logic publication, making it equally effective as a primary text for introductory college courses, a resource for intermediate classes, or a self-study manual for individuals preparing for standardized tests like the LSAT. At its core, the book seeks to demystify formal logic by bridging the gap between abstract philosophical concepts and everyday reasoning. Gensler achieves this by using engaging and easy-to-understand examples drawn from both modern daily life and the works of history's great philosophers. Rather than overwhelming the reader with overly dense jargon, the author employs clear, concise writing to guide them through complex analytical frameworks. One of the standout features of the book is its introduction of innovative, simplified methods for testing arguments. Most notably, Gensler presents the star test for syllogisms, which offers readers a much simpler way to evaluate arguments compared to the traditional, more complicated methods found in competing textbooks. The volume is structured logically to build the reader's skills progressively, featuring numerous carefully crafted exercises that correspond to the textual material, allowing students to test their comprehension and hone their analytical capabilities. Furthermore, the publication addresses the practical needs of students by offering a remarkably reasonable price point, costing roughly a third of what many competing logic textbooks demand. By combining an exceptionally wide range of materials with user-friendly pedagogical tools, the book equips learners with the essential mental toolset needed to analyze arguments critically, detect logical fallacies, and construct sound, persuasive reasoning of their own. Whether approached from the perspective of an academic student seeking to ace an exam or an independent learner wanting to sharpen their everyday critical thinking skills, Gensler's work stands out as a practical, comprehensive, and enduringly valuable contribution to the field of philosophy.

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