• A free logic is a logic with fewer existential presuppositions than classical logic. Free logics may allow for terms that do not denote any object. Free...
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  • Understood in a narrow sense, philosophical logic is the area of logic that studies the application of logical methods to philosophical problems, often...
    59 KB (7,043 words) - 09:46, 2 November 2024
  • Formal logic Free logic Fuzzy logic Higher-order logic Infinitary logic Informal logic Intensional logic Intermediate logic Interpretability logic Intuitionistic...
    25 KB (2,119 words) - 22:15, 10 April 2025
  • Philosophy of logic is the area of philosophy that studies the scope and nature of logic. It investigates the philosophical problems raised by logic, such as...
    97 KB (11,722 words) - 20:51, 22 May 2025
  • engine but with reduced features called Logic Express was available starting in 2004. Apple's GarageBand comes free with all new Macintosh computers and...
    33 KB (3,948 words) - 11:45, 6 June 2025
  • First-order logic, also called predicate logic, predicate calculus, or quantificational logic, is a collection of formal systems used in mathematics,...
    92 KB (12,937 words) - 15:09, 9 June 2025
  • Thumbnail for Logic
    Logic is the study of correct reasoning. It includes both formal and informal logic. Formal logic is the study of deductively valid inferences or logical...
    145 KB (16,462 words) - 20:06, 11 June 2025
  • value, either true or false. A logic satisfying this principle is called a two-valued logic or bivalent logic. In formal logic, the principle of bivalence...
    20 KB (2,159 words) - 20:02, 8 June 2025
  • In logic, a predicate is a symbol that represents a property or a relation. For instance, in the first-order formula P ( a ) {\displaystyle P(a)} , the...
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  • Thumbnail for Existence
    x{\text{Flyinghorse}}(x)} is invalid in free logic, even though it is valid in first-order logic. Free logic uses an additional existence predicate (...
    130 KB (13,414 words) - 21:54, 12 June 2025
  • written extensively on the subject of free logic, a term which he coined. Lambert's law is the major principle in any free definite description theory that...
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  • and co-editor of the Journal of Symbolic Logic. In logic, Van Frassen is best known for his work on free logic and his introduction of the supervaluation...
    15 KB (1,450 words) - 19:52, 27 May 2025
  • Combinatory logic is a notation to eliminate the need for quantified variables in mathematical logic. It was introduced by Moses Schönfinkel and Haskell...
    42 KB (5,301 words) - 09:10, 5 April 2025
  • Look up Appendix:Glossary of logic in Wiktionary, the free dictionary. This is a glossary of logic. Logic is the study of the principles of valid reasoning...
    271 KB (30,237 words) - 18:29, 25 April 2025
  • ESPRESSO logic minimizer is a computer program using heuristic and specific algorithms for efficiently reducing the complexity of digital logic gate circuits...
    17 KB (1,875 words) - 15:46, 19 February 2025
  • Thumbnail for Logic (rapper)
    Robert Bryson Hall II (born January 22, 1990), known professionally as Logic, is an American rapper, singer, songwriter, and record producer from Gaithersburg...
    95 KB (8,472 words) - 00:41, 11 June 2025
  • In mathematical logic, propositional logic and predicate logic, a well-formed formula, abbreviated WFF or wff, often simply formula, is a finite sequence...
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  • mathematics, logicism is a programme comprising one or more of the theses that – for some coherent meaning of 'logic' – mathematics is an extension of logic, some...
    76 KB (11,833 words) - 04:11, 25 May 2025
  • In logic, a substructural logic is a logic lacking one of the usual structural rules (e.g. of classical and intuitionistic logic), such as weakening,...
    5 KB (634 words) - 01:53, 20 May 2025
  • In logic and formal semantics, term logic, also known as traditional logic, syllogistic logic or Aristotelian logic, is a loose name for an approach to...
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  • logic, algebraic logic is the reasoning obtained by manipulating equations with free variables. What is now usually called classical algebraic logic focuses...
    19 KB (2,224 words) - 02:32, 22 May 2025
  • Mathematical logic is the study of formal logic within mathematics. Major subareas include model theory, proof theory, set theory, and recursion theory...
    69 KB (8,370 words) - 19:12, 10 June 2025
  • Classical logic (or standard logic) or Frege–Russell logic is the intensively studied and most widely used class of deductive logic. Classical logic has had...
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  • 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
  • Look up logic in Wiktionary, the free dictionary. Logic is the study of the principles and criteria of valid inference and demonstration. Logic may also...
    2 KB (292 words) - 03:07, 9 September 2024
  • Dialogical logic (German: dialogische Logik, also known as the logic of dialogues) is a pragmatic approach to the semantics of logic developed in the...
    44 KB (5,324 words) - 18:22, 15 May 2025
  • In logic, a quantifier is an operator that specifies how many individuals in the domain of discourse satisfy an open formula. For instance, the universal...
    32 KB (4,559 words) - 12:11, 11 May 2025
  • Thumbnail for Empty set
    the empty set follows easily from the axiom of separation. Even using free logic (which does not logically imply that something exists), there is already...
    15 KB (2,229 words) - 02:12, 26 May 2025
  • to the study of several non-classical logics such as modal logic, relevance logic, free logic and connexive logic. Recently, Rahman and collaborators developed...
    23 KB (2,857 words) - 20:45, 26 May 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