Historisma: Difference between revisions

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'''257298363/256000000''', the '''historisma''', is a [[5-limit]] comma. It is the difference between a stack of six septimal chromatic semitones ([[25/24]]) and a perfect fourth ([[4/3]]). Tempering it out along with leads to the 7-limit [[history (temperament)|History]] temperament.
'''257298363/256000000''', the '''historisma''', is a [[5-limit]] comma. It is the difference between a stack of six septimal chromatic semitones ([[25/24]]) and a perfect fourth ([[4/3]]). Tempering it out leads to the 7-limit [[history (temperament)|History]] temperament, which has extensions in the 11- and 13-limit.


The [[hypovishnuzma]], the difference between six 25/24 chromatic semitones and 4/3, can be considered the historisma's [[5-limit]] counterpart. [[43edo]] is notable for tempering out both, as it supports [[septimal meantone]] which equates 25/24 with 21/20.
The [[hypovishnuzma]], the difference between six 25/24 chromatic semitones and 4/3, can be considered the historisma's [[5-limit]] counterpart. [[43edo]] tempers out both, as it tempers out [[126/125]], which equates 25/24 with 21/20.


== See also ==
== See also ==