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Critical Reasoning & Logic

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Critical Reasoning and Logic by Robert Boyd. Prentice Hall, Inc.,2003

Critical Reasoning and Logic by Robert Boyd. Prentice Hall, Inc.,2003

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  • Prntic Hal;Inc.,2003 (2003)
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Review Text

  • By William S Jamison on April 2, 2014

    I suspect this text has fallen dead born from the press since its statistics do not indicate it is still being used after over ten years. There are a plethora of great logic texts available and I have used the Introduction to Logic (14th Edition),A Concise Introduction to Logic (with Stand Alone Rules and Argument Forms Card),Logic, and presently am using the Logic - always looking for the magical textbook that will knock the socks off of my students and turn them into exceptional logicians over the course of a course. I am passing this text on to whoever picks it up in the freebie bin here at school, but I did want to critique the one review posted on Amazon for harping on the treatment of relativism in the text - page 20 - 21. The quote quoted is described by Boyd as a critique offered by a critic of relativism. Boyd himself does not present this as anything other than an example of how some view relativism. He does not present this critique as his own or the view readers ought to take away from the text. It instead is a fair and balanced quick review of typical views often met in public discourse. The book is a good presentation of logic and could easily have become a fairly popular text. I am not sure why it did not except that there are so many really great texts out there.

  • By Chris Ball on January 12, 2004

    This book is a laughable attempt at a noble topic. Not worth the paper that it is printed upon, this book oozes of pompous self-importance and fallacious argument. I've seen better texts on these topics in the $1 bin at the senior center.His foundation for the 'Critical Objectivist' caste is based on comical blunders in even the simplest logic. He asserts, for example, that if the Critical Objectivist believes something, then it is true for all people and societies, regardless of if they adopt his axioms or not. He argues against Relativism with the following:"...if there are realities (plural), then there must be a reality (singular)..."Thus, he asserts from that there must be only one reality. Continuing, he goes on to say that the Relativist must collapse into self-contradiction, with the humorous attempt:"A relativist might claim, for example, that the doctrines of Christianity are true because they are held to be true in a given society and that the doctrines of Buddhism are true because they are held to be true in a different given society." He goes on to describe how these two theories differ with respect to theism. The sad blindness for Boyd is his simple inability to grasp that the Relativist would hold those to each be true *for the respective societies*, which leads to the obvious logical form:C(x) : x is a member of a Christian societyB(x) : x is a member of a Buddhist societyG(x) : x asserts that there is a god(All x)[C(x) -> G(x)](All x)[B(x) -> ~G(x)]For which no obvious contradiction exists, yet Boyd asserts that a contradiction does exist, and thus Relativism is faulty. Sadly, this is in a *logic* textbook.I truly hope that this is not Boyd's opus.


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