Temperament merging: Difference between revisions

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== Parallel intersections ==
== Parallel intersections ==


[[File:Map-merge.png|400px|thumb|left|A map-merge gives a comma-intersection.]]
[[File:Map-merge.png|400px|thumb|left|A map-merge gives a comma-intersection (for purposes of illustrating this concept, the results are not being canonicalized).]]
[[File:Comma-merge.png|400px|thumb|right|A comma-merge gives a map-intersection.]]
[[File:Comma-merge.png|400px|thumb|right|A comma-merge gives a map-intersection (for purposes of illustrating this concept, the results are not being canonicalized).]]


Every temperament mapping has a dual comma basis, and every comma basis has a dual mapping. Because of this duality, a special parallelism exists.
Every temperament mapping has a dual comma basis, and every comma basis has a dual mapping. Because of this duality, a special parallelism exists.