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Agood article (GA) is a Wikipedia article that meets a core set of editorial standards, thegood article criteria, passing through thegood article nomination process successfully. They are well-written, contain factually accurate andverifiable information, are broad in coverage,neutral in point of view, stable, and illustrated, where possible, by relevantimages with suitablecopyright licenses. Good articles do not have to be as comprehensive asfeatured articles (FA), but they should not omit any major facets: acomparison of the criteria for good and featured articles describes further differences.
Out of the7,106,687 articles on Wikipedia,43,072 are categorized as good articles (about0.61% or one in 165), which are listed below. An additional6,833 are listed as featured articles (about 1 in 1,050) and4,730 as featured lists (about 1 in 1,510). Because articles are only included in one category, a good article that has been promoted to featured status is removed from the good articles category. Adding good and featured articles and lists together gives a total of54,635 articles (about0.77% or one in 131). A small green icon of a plus sign inside a circle() appears in the top-right corner of the article indicating that the article is good.
Any significant contributor maynominate an article if they believe it meets thegood article criteria. Any impartial editor mayreview the article from the queue ofgood article nominations. If it meets the criteria, it is added to the list of good articles below. There areinstructions for nominators and reviewers. Similarly, anyone who believes that an article no longer meets the good article criteria may propose todelist it by following theinstructions for reassessment.
More good content is available atWikipedia:Good topics.
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Random Good Article of the Day: Heinz Guderian
List of good articles
List of good articles, arranged by topic
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Ars Conjectandi –Cantor's first set theory article –De quinque corporibus regularibus –Euclid'sElements –Summa de arithmetica –Vedic Mathematics –Vorlesungen über die Entwicklung der Mathematik im 19. Jahrhundert –YBC 7289 (8 articles)
Cauer, Wilhelm –Gauss, Carl Friedrich –Fry, Hannah –Gleason, Andrew M. –Graham, Ronald –Holmboe, Bernt Michael –Hypatia –Iyahen, Sunday –Jarník, Vojtěch –Johnson, Katherine –Kuku, Aderemi –Luboobi, Livingstone –Ramanujan, Srinivasa –Morris, Rosa M. –Ri Jong-yol –Ross, Arnold –Roth, Klaus –Shirakatsi, Anania –Steinhaus, Hugo –Størmer, Carl –Turing, Alan –Ulam, Stanisław –Whittaker, E. T. (23 articles)
Derivative –Dirac delta function –e (mathematical constant) –Fast inverse square root –Harmonic series –Hilbert space –Taylor series –Vector space –Viète's formula (9 articles)
Arc diagram –Component (graph theory) –Cop-win graph –De Bruijn–Erdős theorem (graph theory) –Directed acyclic graph –Dual graph –Earth–Moon problem –Erdős–Ko–Rado theorem –Garden of Eden (cellular automaton) –Graph homomorphism –Greedy coloring –Halin graph –Handshaking lemma –Herschel graph –Intersection number (graph theory) –Logic of graphs –Matroid parity problem –Paterson's worms –Perfect graph –Pseudoforest –Rado graph –Random binary tree –Reversible cellular automaton –Rook's graph –Rule 90 –Rule 184 –Snark (graph theory) –Telephone number (mathematics) –Three utilities problem –Turán's brick factory problem –Universal vertex –Well-covered graph (32 articles)
Alexandrov's theorem on polyhedra –Alhazen's problem –Antiparallelogram –Arrangement of lines –Binary tiling –Beckman–Quarles theorem –Book embedding –Borromean rings –Cairo pentagonal tiling –Constructible number –Convex curve –Convex hull –Cube –Curve of constant width –Curve-shortening flow –Dehn invariant –Descartes' theorem –Double bubble theorem –Doyle spiral –Erdős–Anning theorem –Euclidean distance –Euclidean minimum spanning tree –Final stellation of the icosahedron –Finite subdivision rule –Grid bracing –Heilbronn triangle problem –Hyperbolic spiral –Ideal polyhedron –Isosceles triangle –Jessen's icosahedron –Kawasaki's theorem –Keller's conjecture –Kepler triangle –Kite (geometry) –Laves graph –Malfatti circles –Mayer–Vietoris sequence –Midsphere –Möbius strip –No-three-in-line problem –Opaque set –Parallelohedron –Penrose tiling –Pentagonal pyramid –Pick's theorem –Polygonalization –Prince Rupert's cube –Pythagorean theorem –Pythagorean tiling –Quadrisecant –Reuleaux triangle –Schönhardt polyhedron –Schwarz lantern –Shapley–Folkman lemma –Simple polygon –Square –Square pyramid –Square pyramidal number –Squaring the circle –Steinitz's theorem –Sylvester–Gallai theorem –Tessellation –Three-gap theorem –Triangular bipyramid –Triaugmented triangular prism –Unit distance graph –Witch of Agnesi (67 articles)
1 –69 (number) –Addition –Arithmetic –Erdős–Straus conjecture –Euclid–Euler theorem –Fermat's right triangle theorem –Lonely runner conjecture –Ordered Bell number –Prime number –Regular number –Square-difference-free set –Sylvester's sequence –Wieferich prime –Znám's problem (15 articles)
Fleiss's kappa –Group testing –Hidden Markov model –Maximum spacing estimation –Nearest-neighbor chain algorithm –Theil–Sen estimator (6 articles)
17-animal inheritance puzzle –Binary logarithm –BIT predicate –Cantor's isomorphism theorem –Cistercian numerals –Commutative property –Dyadic rational –Equality (mathematics) –Factorial –Fibonacci nim –Field (mathematics) –Free abelian group –Gleason's theorem –Highest averages method –Infinity symbol –International Mathematical Olympiad –Kaktovik numerals –Matrix (mathematics) –Mutilated chessboard problem –Parabolic subgroup of a reflection group –Patterns in nature –Pell's equation –Pythagorean addition –Representation theory of the Lorentz group –Skolem's paradox –Unit fraction (26 articles)