Logical Fallacies
Logical Fallacies / Circular Reasoning
Circular Reasoning icon

Circular Reasoning

The fallacy of circular logic occurs when the one reasoning begins with a claim they are trying to conclude with.

Example of Circular Reasoning

  • Whatever is less dense than water will float, because such objects won't sink in water.
  • Women should be able to have abortions, so abortion should be legal and easily available.


Alternative Name: Circulus in Demonstrando

This is a common fallacy.

Books About Logical Fallacies

A few books to help you get a real handle on logical fallacies.

Logically Fallacious Buy On Amazon The Fallacy Detective Buy On Amazon The Art of the Argument Buy On Amazon The above book links to Amazon are affiliate links. If you click through and make a purchase, I may get a commission from the sale.