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Two sets [twelve-tone series], P and P ′ will be considered equivalent [equal] if and only if, for any p i,j of the first set and p ′ i ′,j ′ of the second set, for all is and js [order numbers and pitch class numbers], if i=i ′, then j=j ′. (= denotes numeral equality in the ordinary sense).
Gongche notation or gongchepu is a traditional musical notation method, once popular in ancient China.It uses Chinese characters to represent musical notes.It was named after two of the Chinese characters that were used to represent musical notes, namely "工" gōng and "尺" chě.
A thousandth of an inch is a derived unit of length in a system of units using inches. Equal to 1 ⁄ 1000 of an inch, a thousandth is commonly called a thou / ˈ θ aʊ / (used for both singular and plural) or, particularly in North America, a mil (plural mils). The words are shortened forms of the English and Latin words for "thousand" (mille ...
The base unit is Gunter's chain of 66 feet (20 m) which is subdivided into 4 rods, each of 16.5 ft or 100 links of 0.66 feet. A link is abbreviated "lk", and links "lks", in old deeds and land surveys done for the government.
It equaled "one well rounded tablespoon". [14] Masu; Metretes; Octave; Omer; Pau; Peck – the name of two different units of volume, one imperial and one U.S. Both equaled about 9 litres. Puddee; Salt spoon – used in the U.S., up to and possibly after of the American Revolution. Four salt spoons equaled one teaspoon. [14] Seah; Ser
That's equivalent to 20 days, 4 hours, and 15 minutes. To train for the grueling athletic feat, Swift said she ran on the treadmill every day while "singing the entire set list out loud."
Base units equivalent to decimal divisions of the day, such as 1/10, 1/100, 1/1,000, or 1/100,000 day, or other divisions of the day, such as 1/20 or 1/40 day, have also been proposed, with various names. Such alternative units did not gain any notable acceptance.
The ratio of frequencies one cent apart is precisely equal to 2 1 ⁄ 1200 = 1200 √ 2, the 1200th root of 2, which is approximately 1.000 577 7895. Thus, raising a frequency by one cent corresponds to multiplying the original frequency by this constant value. Raising a frequency by 1200 cents doubles the frequency, resulting in its octave.