33/25: Difference between revisions
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CompactStar (talk | contribs) remove the name "undcimal imperfect fourth"–32/25 is a diatonic perfect fourth and some used "imperfect fourth" for A4, so this term is too controversial and ambiguous to include. |
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| Sound = jid_33_25_pluck_adu_dr220.mp3 | | Sound = jid_33_25_pluck_adu_dr220.mp3 | ||
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'''33/25''', the '''ptolemismic | '''33/25''', the '''ptolemismic fourth''' or the '''5edo-esque fourth''', is an [[11-limit]] interval. It is flat of [[4/3]], the perfect fourth, by [[100/99]], the ptolemisma, hence the name. It is also sharp of [[21/16]], the subfourth, by [[176/175]], the valinorsma. Being [[11/8]] diminished by [[25/24]], it is technically a semidiminished fourth aka paraminor fourth. | ||
== Approximation == | == Approximation == | ||