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Circular Reasoning Fallacy

Updated Jul 6, 2023

The Circular Reasoning Fallacy: When Reasoning Goes in Circles


In the world of logical fallacies, one that frequently pops up is the circular reasoning fallacy. This fallacy occurs when the conclusion of an argument is assumed within the premise, essentially creating a never-ending loop of reasoning. In this article, we will explore the concept of circular reasoning, understand its implications, and learn how to identify and avoid this fallacy.

Understanding Circular Reasoning

Circular reasoning, also known as begging the question, is a logical fallacy where the conclusion is used as a premise to support itself. This fallacy often occurs when someone assumes what they are trying to prove, resulting in a circular or self-referential argument. While it may appear convincing at first, circular reasoning lacks a solid foundation, as it fails to provide any actual evidence or valid reasoning to support the conclusion.

Spotting the Circular Reasoning Fallacy

Identifying circular reasoning can be challenging, as it often disguises itself within seemingly logical arguments. Here are a few key indicators to look out for:

1. Repetition of the Conclusion

Circular reasoning tends to repeat the conclusion in different words without providing any additional evidence or logical reasoning. The argument simply restates the same point without offering any new information to support it.

2. Circular Definitions

Sometimes, circular reasoning can be identified through circular definitions. This occurs when the definition of a term relies on the term itself, creating an infinite loop of explanation. By doing so, the argument fails to provide a clear understanding or justification of the concept.

3. Begging the Question

Begging the question is another telltale sign of circular reasoning. This happens when the conclusion is assumed or presupposed within the premise of the argument, rather than being proven independently. It is a subtle way of assuming the truth of the statement without providing any real evidence.

Examples of Circular Reasoning

To better comprehend the circular reasoning fallacy, let's explore a few common examples:

Example 1: "I'm always right because I never make mistakes."

In this example, the person assumes they are always right based on the premise that they never make mistakes. However, the argument lacks any evidence or logical reasoning to support the claim that they never make mistakes, making it a circular argument.

Example 2: "The Bible is true because it is the word of God, and we know it is the word of God because the Bible says so."

This example demonstrates circular reasoning by using the Bible itself to prove its own truthfulness. The argument assumes the validity of the Bible based on the claim that it is the word of God, which is derived from the Bible itself. Without external evidence or reasoning, this argument falls into circular reasoning.

Avoiding the Circular Reasoning Fallacy

To avoid falling into circular reasoning, it is essential to embrace critical thinking and the principles of logical reasoning. Here are a few strategies to keep in mind:

1. Seek External Evidence

Instead of assuming the conclusion within the premise, strive to gather external evidence that supports your argument. Relying on independent sources and logical reasoning will strengthen your position and prevent circular reasoning.

2. Test Your Assumptions

Question your assumptions and challenge your own arguments. By analyzing the premises and ensuring they do not presuppose the conclusion, you can identify and rectify any potential signs of circular reasoning.

3. Embrace Sound Logic

Apply sound logical principles, such as deductive and inductive reasoning, to your arguments. Make sure your premises logically lead to the conclusion without any circular dependencies.


The circular reasoning fallacy is a deceptive trap that can undermine the credibility of an argument. By understanding the concept of circular reasoning, recognizing its signs, and employing critical thinking skills, we can avoid this fallacy and construct more robust and convincing arguments. Remember, in the realm of logic, reasoning should never go in circles.

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