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How Do We Reason?: An Introduction to Logic is unavailable, but you can change that!

How do we think? What does a faithful use of logic look like? Without even pausing to think about it, we exercise our capacity for rational thought. But how exactly does logic work? What makes some arguments valid and others not? In this Questions in Christian Philosophy volume, philosopher Forrest Baird offers an introduction to logic. He considers the basic building blocks of human reason,...

A persuasive argument is one in which (1) the argument is valid, (2) the premise(s) are true, and (3) nearly everyone (or at least the people to whom the argument is addressed) would accept the truth of the premises. In that case the conclusion must be true and should be accepted by any rational person (or at least the person to whom it is addressed). Notice that this definition is not as clean or precise as the definitions for “valid” and “sound.” Instead we have to be attentive to what “nearly
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