Neutral and interordinal intervals in MOS scales: Difference between revisions

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== The Interordinal Theorem ==
== The Interordinal Theorem ==
The Interordinal Theorem states a correspondence between the neutral (resp. interordinal) intervals of aLbs (with a > b) with the interordinal (resp. neutral) intervals of its parent mos, bL(a − b)s.
Consider a primitive mos aLbs. Recall that (b - 1) satisfies:
Consider a primitive mos aLbs. Recall that (b - 1) satisfies: