375/374: Difference between revisions
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Expansion |
no explanation of the name ursulisma was included so im adding this alternative name |
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{{Infobox Interval | {{Infobox Interval | ||
| Name = ursulisma | | Name = septendecimal wholetones comma, ursulisma | ||
| Color name = | | Color name = | ||
| Comma = yes | | Comma = yes | ||
}} | }} | ||
The '''ursulisma''' is a [[17-limit]] (also 2.3.5.11.17 [[subgroup]]) [[superparticular]] [[comma]] with a [[ratio]] of '''375/374'''. It is the interval that separates [[17/15]] from [[25/22]], as well as separating [[25/17]] from [[22/15]]. | The '''septendecimal wholetones comma''', or '''ursulisma''', is a [[17-limit]] (also 2.3.5.11.17 [[subgroup]]) [[superparticular]] [[comma]] with a [[ratio]] of '''375/374'''. It is the interval that separates [[17/15]] from [[25/22]], as well as separating [[25/17]] from [[22/15]]. | ||
== Commatic relations == | == Commatic relations == | ||
Revision as of 01:49, 17 February 2023
| Interval information |
ursulisma
reduced
The septendecimal wholetones comma, or ursulisma, is a 17-limit (also 2.3.5.11.17 subgroup) superparticular comma with a ratio of 375/374. It is the interval that separates 17/15 from 25/22, as well as separating 25/17 from 22/15.
Commatic relations
This comma identifies itself as the difference between the following superparticular pairs:
- 100/99 and 136/135
- 120/119 and 176/175
- 225/224 and 561/560
- 273/272 and 1001/1000
- 325/324 and 2431/2430
- 364/363 and 12376/12375
It factors into the following superparticular pairs:
Not to mention some nonsuperparticular but useful relations:
Temperaments
Tempering out this comma in the 17-limit leads to the rank-6 ursulismic temperament.