Rank-3 scale: Difference between revisions
→Pairwise DE/MOS scales: reworded |
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PWF and pairwise-DE scales include the same number of instances of steps of 2 of the 3 different step sizes, apart from abacaba. | PWF and pairwise-DE scales include the same number of instances of steps of 2 of the 3 different step sizes, apart from abacaba. | ||
The scale abacaba is the only PWF / PDE / PMOS | The scale abacaba is the only mirror-symmetric PWF / PDE / PMOS, and the only mirror-symmetric trivalent scale. | ||
The scales a…ba…c, and the scale abacaba are the only pairwise-DE scales, and the only | The scales a…ba…c, and the scale abacaba are the only mirror-symmetric pairwise-DE scales, and the only mirror-symmetric MV3 scales. | ||
There is only one way to arrange the steps of these scales such that they are pairwise-DE. This means that they can be uniquely described by a signature, like MOS scales. | There is only one way to arrange the steps of these scales such that they are pairwise-DE. This means that they can be uniquely described by a signature, like MOS scales. | ||