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Interlaced triquetra which is a trefoil knot. The triquetra (/ t r aɪ ˈ k w ɛ t r ə / try-KWEH-truh; from the Latin adjective triquetrus "three-cornered") is a triangular figure composed of three interlaced arcs, or (equivalently) three overlapping vesicae piscis lens shapes.
Knot patterns first appeared in the third and fourth centuries AD and can be seen in Roman floor mosaics of that time. Interesting developments in the artistic use of interlaced knot patterns are found in Byzantine architecture and book illumination , Coptic art , Celtic art, Islamic art , Kievan Rus' book illumination, Ethiopian art , and ...
The Trinity by Russian icon painter Andrei Rublev, early 15th century.This portrayal of the three angels who visited Abraham at the Oak of Mamre (Genesis 18:1–8) was not intended as a literal or exact representation of the Trinity, but as a meditation upon the relational life of the Trinity through the Biblical narrative.
Herringbone knot (also "Eldredge knot"): This knot is tied in almost the same process as the Trinity knot, but tends to create more volume to the sides, and is thus great with spread or cutaway collars. Like the Trinity knot it is best worn with a suit or tuxedo. Grantchester knot: A self-releasing, asymmetric knot.
The first work of knot theory to include the Borromean rings was a catalog of knots and links compiled in 1876 by Peter Tait. [3] In recreational mathematics, the Borromean rings were popularized by Martin Gardner, who featured Seifert surfaces for the Borromean rings in his September 1961 "Mathematical Games" column in Scientific American. [19]
Valknut variations. On the left unicursal trefoil forms; on the right tricursal linked triangle forms.. The valknut is a symbol consisting of three interlocked triangles.It appears on a variety of objects from the archaeological record of the ancient Germanic peoples.
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Although its meaning is apparently not explained in contemporary written sources from any of the medieval cultures where it is found, it is thought to have a range of symbolic or mystical associations with fertility and the lunar cycle. When used in Christian churches, it is presumed to be a symbol of the Trinity. Its origins and original ...