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The '''undecimal diasecundal comma''' or '''eleventyfive comma''' is an [[11-limit]] [[superparticular]] interval that marks the difference between [[5/3]], the major sixth, and [[18/11]], the undecimal neutral sixth. This means that [[5/3]] and [[18/11]] are equated when this comma is tempered out. [[EDO]]s that temper out this interval include {{EDOs| 5, 7, 8, 10, 15, 17, 22, 27, 29, 30, 32, 37, 42, 44, 51, 54, 59 and 66}}. When treated as an interval in its own right, it acts as a sort of chroma much like [[33/32]], from which it differs by a [[81/80|syntonic comma]]. | The '''undecimal diasecundal comma''' or '''eleventyfive comma''' is an [[11-limit]] [[superparticular]] interval that marks the difference between [[5/3]], the major sixth, and [[18/11]], the undecimal neutral sixth. This means that [[5/3]] and [[18/11]] are equated when this comma is tempered out. [[EDO]]s that temper out this interval include {{EDOs| 5, 7, 8, 10, 15, 17, 22, 27, 29, 30, 32, 37, 42, 44, 51, 54, 59 and 66}}. When treated as an interval in its own right, it acts as a sort of chroma much like [[33/32]], from which it differs by a [[81/80|syntonic comma]]. Furthermore, when the [[385/384|keenanisma]] is tempered out, 55/54 is equated with [[64/63]], and it is partially on this basis that one can reasonably make the argument that 64/63 can act as the septimal equivalent for 55/54. | ||
== See also == | == See also == | ||