Tetracot comma

Revision as of 20:43, 22 December 2020 by Xenwolf (talk | contribs) (moved link from redirect lemma to another position in text)

20000/19683, the tetracot comma or minimal diesis, is a small comma of 27.660 cents which is the amount by which four minor whole tones exceed a fifth; that is, (10/9)^4/(3/2). Tempering it out leads to the tetracot family of temperaments.