reflexive knot
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Equivalence relation — In mathematics, an equivalence relation is a binary relation between two elements of a set which groups them together as being equivalent in some way. Let a , b , and c be arbitrary elements of some set X . Then a b or a ≡ b denotes that a is… … Wikipedia
Transitive relation — In mathematics, a binary relation R over a set X is transitive if whenever an element a is related to an element b , and b is in turn related to an element c , then a is also related to c . Transitivity is a key property of both partial order… … Wikipedia
Racks and quandles — In mathematics, racks and quandles are sets with a binary operation satisfying axioms analogous to the Reidemeister moves of knot diagram manipulation.While studied primarily in a knot theoretic context, they can be viewed as algebraic… … Wikipedia
Hayashi clan (Confucian scholars) — The nihongo|Hayashi clan|林氏|Hayashi shi was a Japanese samurai clan which served as important advisors to the Tokugawa shoguns. Among members of the clan to enjoy powerful positions in the shogunate was its founder Hayashi Razan, who passed on… … Wikipedia
List of mathematics articles (R) — NOTOC R R. A. Fisher Lectureship Rabdology Rabin automaton Rabin signature algorithm Rabinovich Fabrikant equations Rabinowitsch trick Racah polynomials Racah W coefficient Racetrack (game) Racks and quandles Radar chart Rademacher complexity… … Wikipedia
List of Ainu terms — The Ainu language of the Ainu people is distinct from those of the people around them.The list is ordered alphabetically by romanization.A* aca (アチャ) father; uncle; a middle aged man (Ainu aca may mean either father or uncle depending on the… … Wikipedia
List of Mission: Impossible characters — This is a list of recurring fictional characters in the original television series Mission: Impossible. Contents 1 Recurring characters 1.1 Introduced in Season One 1.1.1 Daniel Briggs 1 … Wikipedia
HEBREW LITERATURE, MODERN — definition and scope beginnings periodization … Encyclopedia of Judaism
List of mathematics articles (P) — NOTOC P P = NP problem P adic analysis P adic number P adic order P compact group P group P² irreducible P Laplacian P matrix P rep P value P vector P y method Pacific Journal of Mathematics Package merge algorithm Packed storage matrix Packing… … Wikipedia
A. E. van Vogt — Infobox Writer name = Alfred Elton van Vogt imagesize = caption = pseudonym = A. E. van Vogt birthdate = birth date|1912|4|26 birthplace = Gretna, Manitoba, Canada deathdate = death date and age|2000|1|26|1912|4|26 deathplace = Los Angeles, USA… … Wikipedia
Suebi — The Suebi or Suevi (from Proto Germanic * swēbaz based on the Proto Germanic root * swē meaning one s own people,cite web | last=Peterson | first=Lena | title=Swābaharjaz | work=Lexikon över urnordiska personnamn | publisher=Institutet för språk… … Wikipedia
