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 ([[21/20]]) and a perfect fourth ([[4/3]]). Tempering it out leads to the 7-limit version of the [[history (temperament)|History]] temperament.
The '''historisma''' ([[ratio]]: 257298363/256000000, {{monzo|legend=1| -14 7 -6 6 }}) is a [[small comma|small]] [[7-limit]] comma that is the difference between a stack of six [[21/20|septimal minor semitones (21/20)]] and a [[4/3|perfect fourth (4/3)]]. Tempering it out leads to the 7-limit version of the [[history (temperament)|history]] temperament.


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.
The [[hypovishnuzma]], the difference between six [[25/24|classic chromatic semitones (25/24)]] and 4/3, can be considered the historisma's [[5-limit]] counterpart. [[43edo]] tempers out both, as it equates 21/20 and 25/24.


== See also ==
[[Category:History (temperament)]]
* [[Gallery of just intervals]]
[[Category:Commas with unknown etymology]]
 
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