Fallacies are common errors in reasoning that will undermine the logic of your argument. Fallacies can be either illegitimate arguments or irrelevant points, and are often identified because they lack evidence that supports their claim.

What are fallacies used for?

Fallacies are used in place of valid reasoning to communicate a point with the intention to persuade.

How and when do we use them fallacies?

Logical fallacies can often be used to mislead people – to trick them into believing something they otherwise wouldn't. The ability to discern a valid argument from a false one is an important skill. It's a key aspect of critical thinking , and it can help you to avoid falling prey to fake news .