A thought experiment (a calque or English loanword based on both the German/Latin compound Gedankenexperiment and its German equivalent Gedankenversuch), sometimes called a Gedanken experiment, is a proposal for an experiment that would test or illuminate a hypothesis or theory.
Given the structure of the proposed experiment, it may or may not be possible to actually perform the experiment and, in the case that it is possible for the experiment to be performed, there may be no intention of any kind to actually perform the experiment in question.
The common goal of a thought experiment is to explore the potential consequences of the principle in question.
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