The Sagan Standard: Extraordinary Claims Require Extraordinary Evidence - Effectiviology
The more unlikely a claim is, the more supporting substantial the evidence that you should require before accepting it as true.
When presented with a certain claim, you should expect the strength of evidence that is used to support it to be proportional to how unlikely that claim is, based on prior information.
SIMILAR ARTICLES & IDEAS:
The double standard is a principle or policy that is applied in a different way to similar things, with no legitimate explanation. Thus, a double standard happens when two or more ...
The argument from a dictionary is a logical fallacy and happens when someone's argument is based, in a problematic way, on the definition of a particular term as it appears in a diction...
"We should ignore the theory of evolution because the dictionary says that a theory is just an opinion that you have about something you can't prove."
The person using this fallacy is basing their statement on a specific definition of the word "theory" while ignoring alternative definitions that will better capture the meaning of the term as it's used in a scientific context.
Not every use of a definition is necessarily fallacious. If the definition is properly justified and is selected in a properly justified way, it is generally not fallacious. However, it is fallacious when at least one of the following conditions are true: