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A good article (GA) is a Wikipedia article that meets a core set of editorial standards, the good article criteria, passing through the good article nomination process successfully. They are well-written, contain factually accurate and verifiable information, are broad in coverage, neutral in point of view, stable, and illustrated, where possible, by relevant images with suitable copyright licenses. Good articles do not have to be as comprehensive as featured articles (FA), but they should not omit any major facets: a comparison of the criteria for good and featured articles describes further differences.
Out of the 6,928,118 articles on Wikipedia, 40,659 are categorized as good articles (about 0.59% or one in 170), which are listed below. An additional 6,639 are listed as featured articles (about 1 in 1,050) and 4,529 as featured lists (about 1 in 1,530). 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 of 51,827 articles (about 0.75% or one in 134). It is indicated by a small green icon of a plus sign inside a circle () in the top-right corner of the article.
Any significant contributor to an article may nominate it if they believe it meets the good article criteria. Any impartial editor may review it from the queue of good article nominations. If it meets the criteria, it is added to the list of good articles below. There are instructions for nominators and reviewers. Similarly, anyone who believes that an article no longer meets the good article criteria may propose to delist it by following the instructions for reassessment.
More good content is available at Wikipedia:Good topics.
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Recently listed good articles: Maru (Heavenly Delusion) — Donch, Henry — Te Pōrere Redoubts — Duerotherium — Melisende, Queen of Jerusalem — Doctor Who series 14 — Black Widow (Natasha Romanova) — Shō Hashi — Teddy Mitchell — Pokémon Concierge — Smith, Zoe — Portrait of Toulouse Lautrec, in Villeneuve-sur-Yonne, with the Natansons — 1997 Jarrell tornado — Pokémon Smile — Nicola Mitchell
Random Good Article of the Day: K-244 (Kansas highway)
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List of good articles, arranged by topic
GA
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List of good article topics
editMathematics
editMathematics and mathematicians
editMathematical texts and artifacts
editArs Conjectandi – Cantor's first set theory article – De quinque corporibus regularibus – Summa de arithmetica – Vedic Mathematics – YBC 7289 (6 articles)
Mathematicians
editCauer, Wilhelm – Gauss, Carl Friedrich – Gleason, Andrew M. – Graham, Ronald – Holmboe, Bernt Michael – Hypatia – Iyahen, Sunday – Jarník, Vojtěch – Johnson, Katherine – Kuku, Aderemi – Ramanujan, Srinivasa – Ross, Arnold – Roth, Klaus – Shirakatsi, Anania – Steinhaus, Hugo – Størmer, Carl – Turing, Alan – Ulam, Stanisław – Whittaker, E. T. (19 articles)
Geometry and topology
editAlexandrov's uniqueness theorem – Antiparallelogram – Arrangement of lines – Binary tiling – Beckman–Quarles theorem – Book embedding – Borromean rings – Cairo pentagonal tiling – Constructible number – Convex curve – Convex hull – 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 – 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 – Penrose tiling – 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 pyramid – Square pyramidal number – Squaring the circle – Steinitz's theorem – Sylvester–Gallai theorem – Tessellation – Three-gap theorem – Triaugmented triangular prism – Turán's brick factory problem – Unit distance graph – Witch of Agnesi (61 articles)
Other mathematical topics
edit1 – 17-animal inheritance puzzle – 69 (number) – Addition – Arithmetic – Binary logarithm – BIT predicate – Cantor's isomorphism theorem – Cistercian numerals – Commutative property – Component (graph theory) – Cop-win graph – De Bruijn–Erdős theorem (graph theory) – Derivative – Dirac delta function – Directed acyclic graph – Dual graph – Dyadic rational – e (mathematical constant) – Earth–Moon problem – Erdős–Ko–Rado theorem – Erdős–Straus conjecture – Euclid–Euler theorem – Factorial – Fast inverse square root – Fermat's right triangle theorem – Fibonacci nim – Field (mathematics) – Fleiss' kappa – Free abelian group – Garden of Eden (cellular automaton) – Gleason's theorem – Graph homomorphism – Greedy coloring – Group testing – Halin graph – Handshaking lemma – Harmonic series – Herschel graph – Hidden Markov model – Highest averages method – Hilbert space – Infinity symbol – International Mathematical Olympiad – Kaktovik numerals – Logic of graphs – Lonely runner conjecture – Matrix (mathematics) – Maximum spacing estimation – Mutilated chessboard problem – Nearest-neighbor chain algorithm – Ordered Bell number – Paterson's worms – Patterns in nature – Pell's equation – Perfect graph – Prime number – Pseudoforest – Rado graph – Random binary tree – Regular number – Representation theory of the Lorentz group – Reversible cellular automaton – Rook's graph – Rule 90 – Rule 184 – Skolem's paradox – Snark (graph theory) – Square-difference-free set – Sylvester's sequence – Taylor series – Telephone number (mathematics) – Theil–Sen estimator – Three utilities problem – Unit fraction – Universal vertex – Vector space – Viète's formula – Well-covered graph – Wieferich prime – Znám's problem (81 articles)