125/81: Difference between revisions
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The '''triptolemaic augmented fifth''' or '''Trithagorean ultrafifth''', '''125/81''', is equal to [[25/16]] lowered by [[81/80]], or alternatively the Pythagorean minor sixth [[128/81]] lowered by [[128/125]]. It also appears as a notable interval in the [[Trithagorean]] scale/[[3.5 subgroup]], being the [[3/1|tritave]]-reduction of (5/3)<sub>3</sub>. It can be closely approximated by [[17/11]]. | The '''triptolemaic augmented fifth''' or '''Trithagorean ultrafifth''', '''125/81''', is a [[5-limit]] interva of equal to [[25/16]] lowered by [[81/80]], or alternatively the Pythagorean minor sixth [[128/81]] lowered by [[128/125]]. It also appears as a notable interval in the [[Trithagorean]] scale/[[3.5 subgroup]], being the [[3/1|tritave]]-reduction of (5/3)<sub>3</sub>. It can be closely approximated by [[17/11]]. | ||
== Approximation == | == Approximation == | ||
{{Interval edo approximation|17/11}} | {{Interval edo approximation|17/11}} | ||