Consistency: Difference between revisions

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 # every instance of an interval in C is mapped to the same size in C' (for example, 4:6:9 shouldn't be approximated using two different sizes of fifths), and
 # no interval within the chord is off by more than 50% of an edo step.
+If such an approximation exists, it must be unique, since changing one interval would make that interval go over the 50% threshold.
 In this formulation, 12edo represents the chord 1:3:5:7:17:19 consistently.