• Order theory is a branch of mathematics that investigates the intuitive notion of order using binary relations. It provides a formal framework for describing...
    31 KB (4,510 words) - 13:16, 14 April 2025
  • In mathematical order theory, an ideal is a special subset of a partially ordered set (poset). Although this term historically was derived from the notion...
    13 KB (1,762 words) - 12:59, 13 June 2025
  • In the mathematical area of order theory, completeness properties assert the existence of certain infima or suprema of a given partially ordered set (poset)...
    13 KB (1,914 words) - 19:45, 4 June 2025
  • In corporate finance, the pecking order theory (or pecking order model) postulates that "firms prefer to finance their investments internally, using retained...
    6 KB (787 words) - 00:27, 29 January 2025
  • In the mathematical area of order theory, there are various notions of the common concept of distributivity, applied to the formation of suprema and infima...
    8 KB (1,065 words) - 21:55, 22 May 2025
  • In mathematics, an element p of a partial order (P, ≤) is a meet prime element when p is the principal element of a principal prime ideal. Equivalently...
    798 bytes (76 words) - 05:24, 13 May 2024
  • Look up Appendix:Glossary of order theory in Wiktionary, the free dictionary. This is a glossary of some terms used in various branches of mathematics...
    29 KB (4,204 words) - 03:05, 12 April 2025
  • In the mathematical field of order theory, an element a of a partially ordered set with least element 0 is an atom if 0 < a and there is no x such that...
    3 KB (361 words) - 01:40, 17 June 2024
  • Thumbnail for New World Order conspiracy theory
    The New World Order (NWO) is a term often used in conspiracy theories which hypothesize a secretly emerging totalitarian world government. The common...
    114 KB (13,201 words) - 15:18, 1 June 2025
  • Thumbnail for Partially ordered set
    In mathematics, especially order theory, a partial order on a set is an arrangement such that, for certain pairs of elements, one precedes the other....
    40 KB (5,418 words) - 19:44, 28 May 2025
  • Thumbnail for Order (group theory)
    mathematics, the order of a finite group is the number of its elements. If a group is not finite, one says that its order is infinite. The order of an element...
    11 KB (1,337 words) - 08:48, 12 July 2024
  • In the mathematical area of order theory, every partially ordered set P gives rise to a dual (or opposite) partially ordered set which is often denoted...
    4 KB (457 words) - 00:47, 21 September 2023
  • first-order logic. A theory about a topic, such as set theory, a theory for groups, or a formal theory of arithmetic, is usually a first-order logic together...
    92 KB (12,939 words) - 02:10, 16 June 2025
  • In mathematics, an order in the sense of ring theory is a subring O {\displaystyle {\mathcal {O}}} of a ring A {\displaystyle A} , such that A {\displaystyle...
    5 KB (815 words) - 07:53, 7 July 2024
  • algebra Countryman line Order theory – Branch of mathematics Permutation – Mathematical version of an order change Prefix order – generalization of the...
    22 KB (3,147 words) - 10:51, 4 June 2025
  • Higher-order theories of consciousness postulate that consciousness consists in perceptions or thoughts about first-order mental states. In particular...
    10 KB (1,106 words) - 09:45, 23 December 2024
  • definition, every axiom is automatically a theorem. A first-order theory is a set of first-order sentences (theorems) recursively obtained by the inference...
    13 KB (1,695 words) - 13:05, 5 May 2025
  • In first-order logic, a first-order theory is given by a set of axioms in some language. This entry lists some of the more common examples used in model...
    36 KB (5,269 words) - 20:51, 27 December 2024
  • an abstract structure studied in the mathematical subdisciplines of order theory and abstract algebra. It consists of a partially ordered set in which...
    39 KB (5,509 words) - 19:04, 9 June 2025
  • the solution to the known problem and the 'first order' perturbation correction. Perturbation theory is used in a wide range of fields and reaches its...
    22 KB (2,959 words) - 12:02, 24 May 2025
  • Order theory is a branch of mathematics that studies various kinds of objects (often binary relations) that capture the intuitive notion of ordering, providing...
    5 KB (396 words) - 23:32, 16 April 2025
  • In mathematical logic, model theory is the study of the relationship between formal theories (a collection of sentences in a formal language expressing...
    63 KB (9,065 words) - 10:26, 2 April 2025
  • expansions sometimes give good results, c.f. the exact solution, at lower order. In the theory of quantum electrodynamics (QED), in which the electron–photon interaction...
    70 KB (15,991 words) - 17:43, 25 May 2025
  • element. From the ZFC axioms of set theory (including the axiom of choice) one can show that there is a well order of the reals. Also Wacław Sierpiński...
    12 KB (1,902 words) - 19:06, 15 May 2025
  • Thumbnail for Monotonic function
    reverses the given order. This concept first arose in calculus, and was later generalized to the more abstract setting of order theory. In calculus, a function...
    19 KB (2,471 words) - 01:32, 25 January 2025
  • Thumbnail for Join and meet
    In mathematics, specifically order theory, the join of a subset S {\displaystyle S} of a partially ordered set P {\displaystyle P} is the supremum (least...
    13 KB (2,262 words) - 22:59, 20 March 2025
  • logic. Second-order logic is in turn extended by higher-order logic and type theory. First-order logic quantifies only variables that range over individuals...
    32 KB (4,502 words) - 01:10, 13 April 2025
  • others on computer screens Order (journal), an academic journal on order theory Order, an arrangement of items in sequence Order, the result of enumeration...
    7 KB (943 words) - 13:58, 21 March 2025
  • In mathematics, and especially in order theory, a nucleus is a function F {\displaystyle F} on a meet-semilattice A {\displaystyle {\mathfrak {A}}} such...
    1 KB (183 words) - 20:44, 20 November 2024
  • structure. In first-order logic, only theories with a finite model can be categorical. Higher-order logic contains categorical theories with an infinite...
    10 KB (1,157 words) - 04:00, 24 March 2025