Slippery Slope Fallacy

A slippery slope fallacy occurs when someone makes a claim about a series of events that would lead to one major event, usually a bad event. In this fallacy, a person makes a claim that one event leads to another event and so on until we come to some awful conclusion. Along the way, each step or event in the faulty logic becomes more and more improbable.


If we enact any kind of gun control laws, the next thing you know, we won’t be allowed to have any guns at all. When that happens, we won’t be able to defend ourselves against terrorist attacks, and when that happens terrorists will take over our country. Therefore, gun control laws will cause us to lose our country to terrorists.

See Dr. Fallacy in the comic below try to get away with this fallacy. Fortunately, Captain Logic saves logic and saves the day!

Slippery Slope logical fallacy comic with the evil Dr. Fallacy

Slippery Slope logical fallacy comic with the OWL Superhero

In this example, Dr. Fallacy is following a slippery slope to get to the point that any kind of gun regulation will lead to terrorists taking over the country. The series of events is extremely improbable, and we simply can’t make claims like this and be taken seriously in our arguments.

Of course, this example is extreme, but we do need to make sure, if we are creating a line of reasoning in terms of events leading to other events, that we aren’t falling into a slippery slope fallacy.

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