A summary course in logic

I’ve decided to take it upon myself to correct a few basic misconceptions about the nature of logical fallacies.

First thing’s first is what is called the “fallacy fallacy” (https://rationalwiki.org/wiki/Fallacy_fallacy) wherein a fallacious argument is taken to be incorrect ”because” it is fallacious, rather than merely being an example of faulty reasoning.

Take the following statement:

Bears have fins, only mammals have fins, therefore bears are mammals.

The conclusion is correct, while the reasoning is demonstrably false. An argument can still be correct even if it is fallacious.

Let us examine another statement:

Bears have fur, only mammals have fur, therefore bears are mammals.

The conclusion is the same as the above statement, but unlike the previous statement, the reasoning here is not demonstrably false, meaning that the reasoning here is sound.

So, to reiterate, an argument doesn’t have to be incorrect because it is fallacious, for logical fallacies have nothing to do with matters of “correctness,” it only has to do with flaws in reasoning.

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