How Logic Works av Hans Halvorson

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<p><b>A concise introduction to logic that teaches you not only how reasoning works, but why it works</b><br><br><i>How Logic Works</i> is an introductory logic textbook that is different by design. Rather than teaching elementary symbolic logic as an abstract or rote mathematical exercise divorced from ordinary thinking, Hans Halvorson presents it as the skill of clear and rigorous reasoning, which is essential in all fields and walks of life, from the sciences to the humanities¿anywhere that making good arguments, and spotting bad ones, is critical to success.<br><br>Instead of teaching how to apply algorithms using ¿truth trees,¿ as in the vast majority of logic textbooks, <i>How Logic Works</i> builds on and reinforces the innate human skills of making and evaluating arguments. It does this by introducing the methods of natural deduction, an approach that teaches students not only how to carry out a proof and solve a problem but also what the principles of valid reasoning are and h