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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">vvia</journal-id><journal-title-group><journal-title xml:lang="ru">Вопросы всеобщей истории архитектуры</journal-title><trans-title-group xml:lang="en"><trans-title>Questions of the History of World Architecture</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2500-0616</issn><publisher><publisher-name>НИУ МГСУ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.25995/NIITIAG.2021.17.2.014</article-id><article-id custom-type="edn" pub-id-type="custom">ARJZOD</article-id><article-id custom-type="elpub" pub-id-type="custom">vvia-23</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>Архитектура Древнего мира и Средних веков</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Ancient and Medieval Architecture</subject></subj-group></article-categories><title-group><article-title>Эволюция системы модулей в контексте истории математики. Появление царского локтя в Древнем царстве Египта</article-title><trans-title-group xml:lang="en"><trans-title>Evolution of the system of modules in the context of the history of mathematics. The appearance of the royal cubit in the Old kingdom of Egypt</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ковалев</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Kovalev</surname><given-names>А. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ковалев Андрей Николаевич, независимый исследователь</p></bio><bio xml:lang="en"><p>Kovalev Andrei, independent researcher</p></bio><email xlink:type="simple">ser.levsha@yandex.ru</email></contrib></contrib-group><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>24</day><month>12</month><year>2021</year></pub-date><volume>0</volume><issue>2 (17)</issue><fpage>33</fpage><lpage>46</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ковалев А.Н., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Ковалев А.Н.</copyright-holder><copyright-holder xml:lang="en">Kovalev А.N.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://vvia.mgsu.ru/jour/article/view/23">https://vvia.mgsu.ru/jour/article/view/23</self-uri><abstract><p>На основании анализа деревянных досок из мастабы Хесира предложена история появления царского локтя, начавшаяся с нахождения дроби 7/8 для равностороннего треугольника во времена фараона Джосера (XXVII в. до н. э.). Высказано предположение, что закреплению особого положения локтя в 7 ладоней, в том числе и в роли стандартной высоты для расчета наклона пирамиды, способствовало последовательное использование дробей 7/4 и 7/5 для √3 и √2 в Ломаной пирамиде Снофру, 14/11 - в пирамиде Хуфу. Показано, что при Джосере основным был модуль в 8 ладоней и длиной 63-63,5 см. Приведены факты, поддерживающие представление о применении этого модуля до Ломаной пирамиды Снофру включительно. Произведена реконструкция определения основных размеров этой пирамиды в модуле 63,2 см. Получается, что царский локоть, скорее всего, был введен при строительстве Розовой пирамиды в Дахшуре, а окончательно закреплен только при строительстве пирамид в Гизе. Проведен более тщательный, чем принято, математический анализ пропорций камер из трех пирамид Снофру, результаты которого говорят о развитии математики того времени в сторону поиска квазипифагоровых троек чисел.</p></abstract><trans-abstract xml:lang="en"><p>Based on the analysis of wooden panels from the mastaba of Hesy-Ra, the story of the appearance of the royal cubit is presented. It started with finding the 7/8 fraction of an equilateral triangle during the time of Pharaoh Djoser (XXVII century BC). It is suggested that the sequential use of the fractions 7/4 and 7/5 for √3 and √2 in the Bent Pyramid of Snefru, 14/11 - in the pyramid of Khufu, has fixed the special positions of the elbow in 7 palms. It is shown that under Djoser, the main module was 8 palms with a length of 63-63.5 cm. Facts are presented that support the idea of using this module up to the construction of the Bent Pyramid of Snefru. The determination of the basic dimensions of this pyramid in the module 63.2 cm has been reconstructed. It turns out that the royal cubit, most likely, was introduced during the construction of the Red Pyramid in Dahshur and was finally fixed only during the construction of the pyramids in Giza. A more thorough than usual mathematical analysis of the proportions of the chambers from the three pyramids of Snefru was carried out, the results of which indicate the development of mathematics of the time towards the search for quasi-Pythagorean triples of numbers.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>математика древнеегипетской архитектуры</kwd><kwd>эволюция мерных модулей</kwd><kwd>история царского локтя</kwd><kwd>квазипифагоровы тройки</kwd></kwd-group><kwd-group xml:lang="en"><kwd>the mathematics of ancient Egyptian architecture</kwd><kwd>the evolution of dimensional modules</kwd><kwd>the history of the royal cubit</kwd><kwd>quasi-Pythagorean triplets</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">The God statue Discovered in the First Ancient Egyptian Pyramid // Luxor Times. 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