Thought experiment

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A thought experiment is an imaginary scenario that is meant to elucidate or test an argument or theory. It is often an experiment that would be hard, impossible, or unethical to actually perform. It can also be an abstract hypothetical that is meant to test our intuitions about morality or other fundamental philosophical questions. The German term Gedankenexperiment was utilized by physicist Ernst Mach^{[2][3][4][5][6]}