217/216: Difference between revisions

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'''217/216''', the '''tricesimoprimal kleisma''', is a [[small comma|small]] [[31-limit]] (also 2.3.7.31-[[subgroup]]) [[comma]] measuring almost exactly 8 [[cent]]s. It is the difference between [[9/7]] and [[31/24]], two intervals that commonly represent ultramajor thirds; as well as the difference of [[8/7]] from [[31/27]] (a good approximation of [[5edo|1\5]]), and the difference of [[28/27]] from [[32/31]].

'''217/216''', the '''tricesimoprimal kleisma''', is a [[small comma|small]] [[31-limit]] (also 2.3.7.31-[[subgroup]]) [[comma]] measuring almost exactly 8 [[cent]]s. It is the difference between [[9/7]] and [[31/24]], two intervals that commonly represent sharp supermajor/flat ultramajor thirds; as well as the difference of [[8/7]] from [[31/27]] (a good approximation of [[5edo|1\5]]), and the difference of [[28/27]] from [[32/31]].

== Etymology ==

This comma is known as the tricesimoprimal kleisma due to its proximity (differing only by [[15625/15624]]) to the classical kleisma, [[15625/15552]] and to other commas sometimes referred to as "kleismas", such as [[1029/1024]] (differing by [[3969/3968]]) and [[225/224]] (differing by [[6076/6075]]).

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-'''217/216''', the '''tricesimoprimal kleisma''', is a [[small comma|small]] [[31-limit]] (also 2.3.7.31-[[subgroup]]) [[comma]] measuring almost exactly 8 [[cent]]s. It is the difference between [[9/7]] and [[31/24]], two intervals that commonly represent ultramajor thirds; as well as the difference of [[8/7]] from [[31/27]] (a good approximation of [[5edo|1\5]]), and the difference of [[28/27]] from [[32/31]].
+'''217/216''', the '''tricesimoprimal kleisma''', is a [[small comma|small]] [[31-limit]] (also 2.3.7.31-[[subgroup]]) [[comma]] measuring almost exactly 8 [[cent]]s. It is the difference between [[9/7]] and [[31/24]], two intervals that commonly represent sharp supermajor/flat ultramajor thirds; as well as the difference of [[8/7]] from [[31/27]] (a good approximation of [[5edo|1\5]]), and the difference of [[28/27]] from [[32/31]].
 == Etymology ==
 This comma is known as the tricesimoprimal kleisma due to its proximity (differing only by [[15625/15624]]) to the classical kleisma, [[15625/15552]] and to other commas sometimes referred to as "kleismas", such as [[1029/1024]] (differing by [[3969/3968]]) and [[225/224]] (differing by [[6076/6075]]).