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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 dictionary. The problem with these arguments:
"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:
When responding to appeals to definition, it is useful to know the terms denotation, which is the literal meaning of a word, and connotation, which is a feeling the word evokes beyond its denotation.
The structure and use of dictionaries have changed as new technologies developed.
SIMILAR ARTICLES & IDEAS:
It is a logical fallacy and it happens when we choose and focus only on evidence that supports our views and arguments while ignoring anything that may contradict us.
Also referred to as Bernoulli’s maxim, it states that, when assessing the probability that a certain hypothesis is true, we must take into account all the available information.
Premise 1: I can’t explain or imagine how proposition X can be true.
Premise 2: if a certain proposition is true, then I must be able to explain or imagine how that can be.
... and to bring this up as part of an argument. The issue with doing so occurs when this incredulity isn’t justified or supported by concrete information, and when this lack of belief is used in order to assume that a preferred personal explanation must be the right one, despite the lack of proof.
At the same time, it’s also important to remember that it’s possible that the person using the argument from incredulity is right, despite the fact that their reasoning is flawed.
The reason people jump to conclusions is the fact that they find it easy.
Fact-checking and 100 percent accuracy on everything they see or observe consume way too much time for a normal person.
Taking mental shortcuts is the path most people choose to jump to conclusions.