Glossary of scale properties: Difference between revisions

* '''Myhill's/MOS property''': A scale has Myhill's property if there are ''exactly'' two interval sizes for each non-equave-equivalent generic interval class (except octaves or other equivalence intervals such as tritaves). A scale is a MOS scale if there are ''no more than'' two interval sizes for each non-equave-equivalent generic interval class. This is equivalent to a scale being Myhill with a smaller equave. Both [[distributional evenness|distributionally even]] and Myhill's are essentially synonymous with MOS; Myhill's property is sometimes called "strict MOS".