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| '''Lefts and rights notation''' is a notation for [[just intonation]] primarily developed by [[User:CompactStar|CompactStar]]. It represents all intervals by a direction, which is a sequence of lefts and rights, and a degree. The direction with no lefts and rights is called "central". Left and right always mean flatter and sharper, with each new left/right having less and less of an impact. Central, left, and right are abbreviated as C, L, and R respectively.
| | #redirect [[User:CompactStar/Lefts and rights notation]] |
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| == Formal defintion ==
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| In the following definition, k is a degree and X is a sequence of lefts and rights.
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| * The central k-th is the just interval with the smallest [[Tenney height]] that is mapped to k-1 steps in [[7edo]]'s patent val and is within 20 cents of (k-1)\7edo
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| * The leftX k-th is the just interval with the smallest [[Tenney height]] whose direction ends with X and is flatter than the X k-th
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| * The rightX k-th is the just interval with the smallest [[Tenney height]] whose direction ends with X and is sharper than the X k-th
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| == Examples ==
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| === Simple directions ===
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