• First-order logic, also called predicate logic, predicate calculus, or quantificational logic, is a collection of formal systems used in mathematics,...
    93 KB (12,955 words) - 02:36, 20 July 2025
  • In logic and mathematics, second-order logic is an extension of first-order logic, which itself is an extension of propositional logic. Second-order logic...
    32 KB (4,502 words) - 01:10, 13 April 2025
  • In mathematics and logic, a higher-order logic (abbreviated HOL) is a form of logic that is distinguished from first-order logic by additional quantifiers...
    9 KB (1,066 words) - 14:21, 31 July 2025
  • zeroth-order logic. Sometimes, it is called first-order propositional logic to contrast it with System F, but it should not be confused with first-order logic...
    118 KB (11,466 words) - 17:27, 29 July 2025
  • In logic, the monadic predicate calculus (also called monadic first-order logic) is the fragment of first-order logic in which all relation symbols[clarification...
    6 KB (698 words) - 23:03, 22 February 2025
  • classical logics such as second-order logic or infinitary logic are also studied, along with Non-classical logics such as intuitionistic logic. First-order logic...
    69 KB (8,373 words) - 20:10, 24 July 2025
  • Thumbnail for Rule of inference
    Propositional logic examines the inferential patterns of simple and compound propositions. First-order logic extends propositional logic by articulating...
    66 KB (7,327 words) - 08:42, 9 June 2025
  • and first-order logic. The sentences that are made true by a particular assignment are said to be satisfied by that assignment. In classical logic, no...
    32 KB (4,478 words) - 03:26, 11 May 2025
  • theorem-proving technique for sentences in propositional logic and first-order logic. For propositional logic, systematically applying the resolution rule acts...
    28 KB (4,063 words) - 20:45, 28 May 2025
  • Thumbnail for Logic
    commonly used system is classical logic. It consists of propositional logic and first-order logic. Propositional logic only considers logical relations...
    145 KB (16,462 words) - 13:47, 18 July 2025
  • self-reference", as in first-order logic and other logic uses, where it is contrasted with "allowing some self-reference" (higher-order logic) In detail, it may...
    3 KB (398 words) - 16:20, 20 May 2025
  • contains logic symbols. Without proper rendering support, you may see question marks, boxes, or other symbols instead of logic symbols. In logic, a set...
    25 KB (256 words) - 06:07, 29 July 2025
  • In mathematical logic, the compactness theorem states that a set of first-order sentences has a model if and only if every finite subset of it has a model...
    14 KB (1,931 words) - 02:43, 16 June 2025
  • In mathematical logic, monadic second-order logic (MSO) is the fragment of second-order logic where the second-order quantification is limited to quantification...
    11 KB (1,308 words) - 23:48, 19 June 2025
  • mathematical logic, a theory (also called a formal theory) is a set of sentences in a formal language. In most scenarios a deductive system is first understood...
    13 KB (1,695 words) - 13:05, 5 May 2025
  • formulas of propositional logic. The philosopher Ludwig Wittgenstein first applied the term to redundancies of propositional logic in 1921, borrowing from...
    23 KB (3,127 words) - 20:24, 16 July 2025
  • Extensions of First Order Logic is a book on mathematical logic. It was written by María Manzano, and published in 1996 by the Cambridge University Press...
    5 KB (591 words) - 14:36, 11 December 2021
  • 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
  • of logics in contrast to one universally true logic. These logics can be divided into classical logic, usually identified with first-order logic, extended...
    97 KB (11,722 words) - 00:00, 18 June 2025
  • formal system (e.g., classical or intuitionistic propositional or first-order logics) every inconsistent theory is trivial.: 7  Consistency of a theory...
    20 KB (2,931 words) - 16:30, 13 April 2025
  • logic, extended logics, and deviant logics. This classification is based on the idea that classical logic, i.e. propositional logic and first-order logic...
    59 KB (7,043 words) - 09:46, 2 November 2024
  • more expressive than propositional logic but less expressive than first-order logic. In contrast to the latter, the core reasoning problems for DLs are...
    39 KB (4,305 words) - 13:10, 2 April 2025
  • answer. Zeroth-order logic (propositional logic) is decidable, whereas first-order and higher-order logic are not. Logical systems are decidable if membership...
    16 KB (1,887 words) - 21:01, 15 May 2025
  • anticipations of temporal logic, and may imply an early, partially developed form of first-order temporal modal bivalent logic. Aristotle was particularly...
    33 KB (3,812 words) - 19:59, 19 June 2025
  • with first-order logic, e.g., with either Markov Logic Networks or Probabilistic Soft Logic. Other, non-probabilistic extensions to first-order logic to...
    88 KB (11,042 words) - 18:53, 27 July 2025
  • languages expressible by sentences of existential second-order logic; that is, second-order logic excluding universal quantification over relations, functions...
    18 KB (2,548 words) - 07:24, 21 July 2025
  • the translation of the English sentence "some men are bald" into first-order logic as ∃ x ( M ( x ) ∧ B ( x ) ) {\displaystyle \exists x(M(x)\land B(x))}...
    58 KB (7,317 words) - 14:00, 7 December 2024
  • translation for propositional logic, and the Gödel–Gentzen translation and Kuroda's translation for first-order logic. The easiest double-negation translation...
    10 KB (1,061 words) - 09:29, 20 July 2025
  • Thumbnail for Conceptual graph
    three main directions: a graphical interface for first-order logic, a diagrammatic calculus of logics, and a graph-based knowledge representation and reasoning...
    6 KB (763 words) - 09:40, 13 July 2024
  • Linear logic is a substructural logic proposed by French logician Jean-Yves Girard as a refinement of classical and intuitionistic logic, joining the...
    34 KB (2,979 words) - 10:22, 20 May 2025