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| == Notation ==
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| Bohlen-Pierce theory possesses a [[nonoctave]] notation system for [[EDT]]s and no-twos music, which is well-established<ref>[https://en.wikipedia.org/wiki/Bohlen%E2%80%93Pierce_scale#Intervals_and_scale_diagrams]</ref>. It is based on the [[2L 9s (3/1-equivalent)|2L 9s⟨3/1⟩]] MOS scale generated by approximately [[5/3]], relating it to [[Arcturus]] temperament. The preferred generator for a given EDT is the patent val 5/3.
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| The 9|1 mode of 2L 9s⟨3/1⟩ is represented by 11 naturals CDEFGHJKLAB, and #/b accidentals are used to raise and lower by a chroma (L - s). For relative notation, the [[TAMNAMS]] convention of zero-based indices is used. Assuming Arcturus temperament where [[7/3]] is mapped to the major 8-step, the chord 3:5:7 is notated as C - H - L (P0 - P5 - M8). To notate larger EDTs, Arcturus hendecatonic notation can be combined with [[ups and downs notation]], with ^/v accidentals raising and lowering by 1 EDTstep.
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| === Examples ===
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| [[11edt]] (equalized):
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| {|class="wikitable article-table"
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| |-
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| !0
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| !1
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| !2
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| !3
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| !4
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| !5
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| !6
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| !7
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| !8
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| !9
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| !10
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| !11
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| |-
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| |C
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| |D
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| |E
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| |F
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| |G
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| |H
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| |J
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| |K
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| |L
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| |A
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| |B
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| |C
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| |-
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| |P0
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| |P1
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| |P2
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| |P3
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| |P4
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| |P5
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| |P6
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| |P7
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| |P8
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| |P9
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| |P10
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| |P11
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| |}
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| [[13edt]] (Bohlen-Pierce):
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| {|class="wikitable article-table"
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| |-
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| !0
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| !1
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| !2
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| !3
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| !4
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| !5
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| !6
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| !7
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| !8
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| !9
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| !10
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| !11
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| !12
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| !13
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| |-
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| |C
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| |Db
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| |D, Eb
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| |E, Fb
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| |F, Gb
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| |G, Hb
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| |H
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| |J
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| |J#, Kb
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| |K
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| |L, Ab
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| |A, Bb
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| |B
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| |C
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| |-
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| |P0
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| |m1
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| |M1, m2
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| |M2, m3
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| |M3, m4
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| |M4, d5
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| |P5
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| |P6
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| |A6, m7
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| |M7
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| |M8, m9
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| |M9, m10
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| |M10
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| |P11
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| |}
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| [[24edt]]:
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|
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| {|class="wikitable article-table"
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| |-
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| !0
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| !1
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| !2
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| !3
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| !4
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| !5
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| !6
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| !7
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| !8
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| !9
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| !10
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| !11
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| !12
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| !13
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| !14
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| !15
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| !16
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| !17
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| !18
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| !19
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| !20
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| !21
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| !22
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| !23
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| !24
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| |-
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| |C
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| |C#, Dbb
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| |Db
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| |D
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| |Eb
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| |E
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| |Fb
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| |F
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| |Gb
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| |G
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| |G#, Hb
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| |H
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| |H#, Jb
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| |J
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| |J#, Kbb
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| |Kb
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| |K
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| |Lb
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| |L
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| |Ab
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| |A
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| |Bb
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| |B
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| |B#, Cb
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| |C
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| |-
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| |P0
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| |A0, d1
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| |m1
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| |M1
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| |m2
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| |M2
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| |m3
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| |M3
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| |m4
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| |M4
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| |A4, d5
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| |P5
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| |A5, d6
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| |P6
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| |A6, d7
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| |m7
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| |M7
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| |m8
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| |M8
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| |m9
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| |M9
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| |m10
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| |M10
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| |A10, d11
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| |P11
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| |}
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