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7₄ knot
In mathematical knot theory, 74 is the name of a 7-crossing knot which can be visually depicted in a highly-symmetric form, and so appears in the symbolism and/or artistic ornamentation of various cultures. ==Visual representations==
The image in the infobox at top right shows the 74 knot in Celtic artistic form, also found in some Hausa embroideries.〔''Celtic Art: The Methods of Construction'' by George Bain, p. 27 (ISBN 0-486-22923-8)〕 The interlaced version of the simplest form of the Endless knot symbol of Buddhism is topologically equivalent to the 74 knot (though it appears to have nine crossings), as is the interlaced version of the unicursal hexagram of occultism. (However, the endless knot symbol has more complex forms not equivalent to 74, and both the endless knot and unicursal hexagram can appear in non-interlaced versions, in which case they are not knots at all.)
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「7₄ knot」の詳細全文を読む
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