2240/2187: Difference between revisions

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 | Comma = yes
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-'''2240/2187''', the '''septimal inframinor second''' or '''mint inframinor second''', is a [[7-limit]] [[interval]] measuring about 41.5{{cent}}. It is flat of the [[256/243|Pythagorean minor second]] by a [[36/35|septimal quartertone]]. Equivalently, it is the difference between [[64/63]], Archytas' comma, and [[20480/19683]], the superpyth comma. While [[edo]]s that temper out this comma usually also temper out the two aforementioned commas, somewhat interestingly, [[29edo]] only tempers out this one.
+'''2240/2187''', the '''septimal inframinor second''' or '''mint inframinor second''', is a [[7-limit]] [[interval]] measuring about 41.5{{cent}}. It is flat of the [[256/243|Pythagorean minor second]] by a [[36/35|septimal quartertone]]. Equivalently, it is flat of [[20480/19683]], the retroptolemaic minor second, by [[64/63]], an Archytas' comma, and flat of [[28/27]], the septimal minor second, by [[81/80]], a syntonic comma.
+== Temperaments ==
+This interval is treated as a [[comma]] and is [[tempering out|tempered out]] in rank-2 temperaments such as [[superpyth]], [[sharptone]], and [[porky]].
+[[Category:Mint]]
 [[Category:Second]]
 [[Category:Semitone]]