Influence On The Development of Science
Parmenides made the ontological argument against nothingness, essentially denying the possible existence of a void. According to Aristotle, this led Democritus and Leucippus, and many other physicists, to propose the atomic theory, which supposes that everything in the universe is either atoms or voids, specifically to contradict Parmenides' argument. Aristotle himself reasoned, in opposition to atomism, that in a complete vacuum, motion would encounter no resistance, and "no one could say why a thing once set in motion should stop anywhere; for why should it stop here rather than here? So that a thing will either be at rest or must be moved ad infinitum, unless something more powerful get in its way." See also, horror vacui.
Erwin Schrödinger identified Parmenides' monad of the "Way of Truth" as being the conscious self in "Nature and the Greeks". For a discussion of the scientific implications of this view see:Hyman, Anthony, (2007); "The Selfseeker", Teignvalley Press.
A shadow of Parmenides' ideas can be seen in the physical concept of Block time, which considers existence to consist of past, present, and future, and the flow of time to be illusory. In his critique of this idea, Karl Popper called Einstein "Parmenides".
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