Therefore, we will define a logical fallacy as a concept within argumentation that commonly leads to an error in reasoning due to the deceptive nature of its presentation. Logical fallacies can comprise fallacious arguments that contain one or more non-factual errors in their form or deceptive arguments that often lead to fallacious reasoning in their evaluation.
But how does [denialism] differ from the process of common consensus belief about what is factual when it comes to serving as the foundation of a claim that something is “true” - in fact, so undeniable true, that anyone who does not ascribe to it is a denier.
At one time, the civilized world believed the earth was flat. Those who didn’t believe that could have been called “flat world deniers.” Today, anyone who doesn’t believe the world is round would be called a denier. But at what point does the believer of the truth become a denier of the truth.