While the premises may be true in an argument, the conclusion may or may not be correct, making the argument invalid. Example of an incorrect argument: Some New Yorkers are rude, some of them are artists, therefore some artists are rude.
A counterexample method is a powerful way to prove an argument’s conclusion to be invalid. You can use this method by: isolating the argument form and then constructing an argument with the same form that is obviously invalid.
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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.
According to the Falsification Principle of Karl Popper, we cannot prove the validity of a hypothesis. We can only disprove it.
However, we can get closer to the truth by improving...
Inductive reasoning involves looking for a trend or a pattern, then using the observations to formulate a general truth. For example, "When I eat peanuts, my throat swells up and I have difficulty breathing. Therefore, I'm likely allergic to peanuts."
Deductive reasoning starts from established facts, then applies logical steps to reach a conclusion. For example, "Bachelors are unmarried men. Jack is unmarried. Therefore, Jack is a bachelor."
A fallacy is the use of faulty reasoning in an argument.
There are formal and informal fallacies:
In this fallacy, someone behaves in a way that negatively affects others but then gets upset when others criticize their behavior. They will reply with a "mind your own business."
For instance, someone who doesn't see a reason to bathe, but then boards a full 10-hour flight.
It happens when someone continues in a course of action, even if evidence shows that it's a mistake.
Common phrase: "We've always done it this way, so we'll keep doing it this way." "I've already invested so much..."
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