31edo: Difference between revisions

Theory: these aren't "sole" exceptions, lol
Notation: Stein–Zimmermann is an instance of neutral chain-of-fifths notation
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== Notation ==
== Notation ==
=== Ups and Downs notation ===
=== Ups and downs notation ===
Spoken as up, sharp, upsharp, etc. Note that up can be respelled as downsharp. The gamut runs D, ^D/vD#, D#, Eb, ^Eb/vE, E, ^E, vF, F etc.
Spoken as up, sharp, upsharp, etc. Note that up can be respelled as downsharp. The gamut runs D, ^D/vD#, D#, Eb, ^Eb/vE, E, ^E, vF, F etc.
{{sharpness-sharp2a}}
{{Sharpness-sharp2a}}


=== Stein–Zimmermann accidentals ===
=== Neutral chain-of-fifths notation ===
{{Sharpness-sharp2}}
[[File:31edo CoF semi and sesqui.png|thumb|500x500px|Circle of fifths in 31edo showing equivalences and quartertone accidentals]]
 
Since a sharp raises by 2 steps, 31edo can be notated using quarter-tone accidentals. Between C and D (do and re) for example, we have the following notes:


=== Neutral circle-of-fifths notation ===
[[Neutral circle-of-fifths notation]] is much like ups and downs notation. Between C and D (do and re) for example, we have the following notes:
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=== Circle-of-fifths notation ===
==== Stein–Zimmermann accidentals ====
[[Circle-of-fifths notation]] uses double sharps and double flats:
{{Sharpness-sharp2}}
 
=== Chain-of-fifths notation ===
[[Chain-of-fifths notation]] uses double sharps and double flats only:
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{| class="wikitable"
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* F𝄫 = E{{demiflat2}}
* F𝄫 = E{{demiflat2}}


31edo can be notated with a seperate semi/sesqui sharp/flat chain (like [[17edo]]), with its own enharmonic circle of fifths.
=== Sagittal notation ===
[[File:31edo CoF semi and sesqui.png|center|thumb|500x500px|Circle of fifths in 31edo showing enharmonic equivalences and half-sharps]]
This notation uses the same sagittal sequence as edos [[17edo #Sagittal notation|17]], [[24edo #Sagittal notation|24]], and [[38edo #Sagittal notation|38]], and is a subset of the notation for [[62edo #Sagittal notation|62edo]].


=== Sagittal notation ===
This notation uses the same sagittal sequence as EDOs [[17edo#Sagittal notation|17]], [[24edo#Sagittal notation|24]], and [[38edo#Sagittal notation|38]], and is a subset of the notation for [[62edo#Sagittal notation|62-EDO]].
==== Evo flavor ====
==== Evo flavor ====
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Because it contains no Sagittal symbols, this Evo-SZ Sagittal notation is also a Stein-Zimmerman notation.
Because it contains no Sagittal symbols, this Evo-SZ Sagittal notation is identical to Stein–Zimmerman notation.


== Relationship to 12edo ==
== Relationship to 12edo ==