Thought experiment

A thought experiment (German: Gedankenexperiment,Gedanken-Experiment, or Gedankenerfahrung) considers a hypothesis, theory, or principle for the purpose of thinking through its consequences. Salviati. If then we take two bodies whose natural speeds are different, it is clear that on uniting the two, the more rapid one will be partly retarded by the slower, and the slower will be somewhat hastened by the swifter. Do you not agree with me in this opinion? A thought experiment (German: Gedankenexperiment,Gedanken-Experiment, or Gedankenerfahrung) considers a hypothesis, theory, or principle for the purpose of thinking through its consequences.