It's a mode of argumentation or a form of argument in which a proposition is disproven by following its implications logically to an absurd conclusion.
Take an assertion and see if you can inquire about any contradictions out of it. If you can, that proposition has to be discarded.
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Spending a large amount of time with someone literally causes you to pick up their habits. Choose your friends wisely.
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How to make rational decisions
The role of biases in decision-making
The impact of social norms on decision-making
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Similar ideas to Reductio ad absurdum
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...
When you respond to the use of false premises, you should generally call them out as false, explain why they're false, and how them being false invalidates the argument.
It does not use reasons that contradict each other, contradict the conclusion or explicitly or implicitly assumes the truth of the conclusion. Checklist:
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