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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,...

being made. In a deductive argument, the claim is made that the conclusion necessarily follows from the premise(s). Here is a deductive argument: P1 All persons are mortal P2 Socrates is a person C Socrates is mortal There is no way the premises could be true and the conclusion false—it follows with necessity from the premises. Now the premises might be false, and in that case we don’t know whether the conclusion is true. But if the premises here are true, then the conclusion must be true—the conclusion
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