Greek philosopher who lived from c.428 B.C. to c.348 B.C. Parmen and the other natives of Sahndara called themselves Platonians and their new planet Platonius because they claimed to follow Plato's philosophy, but Spock noted that Plato wanted justice, which the Platonians do not seem to care too much about.

In Diane Duane's novel Dark Mirror Plato's mirror universe counterpart is mentioned as writing that the perfect government is one that metes out fear in proper proportion to the people. In the mirror universe such a work would likely be titled "Kingdom and Empire" rather than "The Republic" as in the real universe.

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