Simus appears in three Pythagorean testimonia (DK I pp. 444–445). Iamblichus, VP 267, lists him among the Poseidonians with Athamas. Porphyry, VP 3, says Simus the harmonic stole a kanon and published it as his own; of seven inscribed sophiai one was thus lost and the others on the dedication vanished with it. Iamblichus on Nicomachus mentions later Pythagorean means after Myonides and Euphranor, in a chain from Archytas and Hippasus.
He is dated to the fourth century BCE.
Simus is a name in the Pythagorean catalogues, a Poseidonian harmonic remembered for the story of a stolen kanon.
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Testimonies
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