125/81: Difference between revisions

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