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Introduction To Logic

3.83 of 5 stars 3.83  ·  rating details  ·  71 ratings  ·  9 reviews
Introduction to Logic offers one of the most clear, interesting and accessible introductions to what has long been considered one of the most challenging subjects in philosophy. Harry Gensler engages students with the basics of logic through practical examples and important arguments both in the history of philosophy and from contemporary philosophy. Using simple and manag ...more
Hardcover, 399 pages
Published December 28th 2001 by Routledge (first published December 13th 2001)
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Sarah
Extremely helpful. I am no logician and though my field of study is very much conversant in and with philosophy both past and present, I found myself in need of a quick refresher of everything I had learned (and promptly forgotten) about Logic proper from my undergraduate studies.

Enter Gensler, who here does a fine job of succinctly and thoroughly providing no more and no less of what is needed. A concise logical argument should be able to be made, recognized, and supported after a reading of t
...more
Defaceo
Harry J. Gensler's Introduction to Logic is an overall introduction to basic logic(s). Overall a strong one with a noticable weak point. One of it's most firstly distinctive features is the downloadable software LogiCola, which turns out to be a very useful tool for revising, but be wary, writing down your exercises is important in properly digesting the material. Also, the examples and exercises from the book are much more interesting and philosophically inclined.
The explanations of proofs and
...more
Michael A
Since this is a textbook, let's just do simple pros and cons.

PROS:

It's a fine introduction to symbolic logic and many different types of formal logical systems. Chapter 2 covers basic syllogistic logic, then it gets into more classical logic in chapters 6 through 9. Once you've learned about propositional and quantificational logic, it moves on to modal logic (10/11) , deontic/imperative logic (12), and belief logic (13). The way these build on each other and the way you learn in tiny bits is a
...more
Muhammad al-Khwarizmi
Great text on logic. I would only recommend learning inference rules not documented herein from Copi or another text like that. Also, I never used the starring method he uses to augment proof writing. For those naive to formal logic, it's not strictly necessary.
Carlos Hidalgo
Harry J. Gensler's "Introduction to Logic" is by far one of the best books about elementary logic that i have encountered. All the basic rules such as the rules of inference, introduction rules, elimination rules, etc, are explained with out most simplicity and clarity. Another great fact about this book is that it devotes chapters on the history of logic and the philosophy of logic unlike other logic books wherien these information are cluttered and spread throughout different chapters. Finally ...more
Megan Lengel
Though this was a good book, I find that it is difficult to understand if one does not have access to the program that goes hand-in-hand with this book. It does not do well as a stand-alone, but is extremely helpful when it comes to understanding the Logic program. I found that when I was working with the program, I understood what the book was trying to tell me. This understanding did not happen without the program.
Mohamed
مدخل جيد جدا لدراسة المنطق بالانجليزيه (للأسف لم اجد حتى الآن مثيل له بالعربية)
لغة الكاتب سهله وبسيطه و صياغاته ابعد ما تكون عن التعقيد
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Danielle
i only covered three chapters in this book, but the class was a nightmare! i cant understand it and its just been a terrible experience. i wouldn't wish this class, or book, on my worst enemy. So glad that the class is basically over.
Lucas Gili
This was a good and enjoyable book for me as an introduction to logic as it wasn't too heavy-going. Overall I recommend it as one of the first books to read on the subject as it's more accessible.
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