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The Sagan Standard: Extraordinary Claims Require Extraordinary Evidence - Effectiviology
Based on the Sagan standard, if someone claims that they came across a unicorn during they commute, they would be expected to brig stronger evidence in order to verify that claim than if they claimed that they came across a horse.
This happens because there is significant evidence for the existence of horses, but no relevant evidence to support the existence of unicorns, which makes the latter claim extraordinary.
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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: