• logic, sequent calculus is a style of formal logical argumentation in which every line of a proof is a conditional tautology (called a sequent by Gerhard...
    52 KB (5,904 words) - 19:24, 24 April 2025
  • is almost always associated with the conceptual framework of sequent calculus. Sequents are best understood in the context of the following three kinds...
    21 KB (2,754 words) - 04:41, 10 January 2025
  • sequent calculus was developed to study the properties of natural deduction systems. Instead of working with one formula at a time, it uses sequents,...
    92 KB (12,931 words) - 16:12, 7 May 2025
  • theory comes from a technical notion introduced in the sequent calculus: the sequent calculus represents the judgement made at any stage of an inference...
    8 KB (1,182 words) - 22:31, 18 August 2024
  • deduction. For this reason he introduced his alternative system, the sequent calculus, for which he proved the Hauptsatz both for classical and intuitionistic...
    70 KB (6,972 words) - 00:21, 5 May 2025
  • ability to manipulate the continuation of programs and the symmetry of sequent calculus to express the duality between the two evaluation strategies known...
    58 KB (6,375 words) - 20:39, 14 May 2025
  • radically different logics. For example, a paradigmatic case is the sequent calculus, which can be used to express the consequence relations of both intuitionistic...
    4 KB (459 words) - 00:44, 20 December 2024
  • intuitions. Proof-theoretically, it derives from an analysis of classical sequent calculus in which uses of (the structural rules) contraction and weakening are...
    34 KB (2,979 words) - 10:22, 20 May 2025
  • Hauptsatz) is the central result establishing the significance of the sequent calculus. It was originally proved by Gerhard Gentzen in part I of his landmark...
    9 KB (1,139 words) - 03:59, 24 March 2025
  • Gentzen discovered that a simple restriction of his system LK (his sequent calculus for classical logic) results in a system that is sound and complete...
    53 KB (8,022 words) - 07:50, 29 April 2025
  • In structural proof theory, the nested sequent calculus is a reformulation of the sequent calculus to allow deep inference. Alwen Tiu; Egor Ianovski;...
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  • is sequent calculus, which has two sorts, propositions as in ordinary propositional calculus, and pairs of lists of propositions called sequents, such...
    75 KB (9,572 words) - 09:14, 22 April 2025
  • In mathematical logic, the cut rule is an inference rule of sequent calculus. It is a generalisation of the classical modus ponens inference rule. Its...
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  • which contains the congruence rule in its Hilbert calculus or the E rule in its sequent calculus upon the corresponding proof systems for classical propositional...
    10 KB (1,224 words) - 09:59, 23 March 2025
  • any of their rules of inference, while both natural deduction and sequent calculus contain some context-changing rules. Thus, if one is interested only...
    27 KB (3,534 words) - 11:10, 23 April 2025
  • in the end sequent of a cut-free proof is a subformula of one of the premises. This allows one to show consistency of the sequent calculus easily; if...
    20 KB (2,666 words) - 15:22, 15 March 2025
  • Weisstein, Eric W. "Sequent Calculus". mathworld.wolfram.com. Retrieved 23 March 2024. "Interactive Tutorial of the Sequent Calculus". logitext.mit.edu...
    118 KB (11,441 words) - 14:55, 10 May 2025
  • Thumbnail for Gerhard Gentzen
    of mathematics, proof theory, especially on natural deduction and sequent calculus. He died of starvation in a Czech prison camp in Prague in 1945. Gentzen...
    13 KB (1,080 words) - 23:31, 22 May 2025
  • then P {\displaystyle P} may be concluded." In sequent calculus the principle is expressed by the sequent Γ , ¬ ¬ P ⊢ P , Δ {\displaystyle \Gamma ,\lnot...
    20 KB (2,529 words) - 06:47, 5 April 2025
  • general idea in structural proof theory that breaks with the classical sequent calculus by generalising the notion of structure to permit inference to occur...
    2 KB (251 words) - 08:40, 4 March 2024
  • or determine that none exists. The concepts of Fitch-style proof, sequent calculus and natural deduction are generalizations of the concept of proof....
    5 KB (579 words) - 05:11, 29 July 2024
  • propositional calculus, Ricci calculus, calculus of variations, lambda calculus, sequent calculus, and process calculus. Furthermore, the term "calculus" has variously...
    75 KB (8,785 words) - 22:41, 12 May 2025
  • Proof calculus, a framework for expressing systems of logical inference Sequent calculus, a proof calculus for first-order logic Cirquent calculus, a proof...
    5 KB (671 words) - 05:49, 20 August 2024
  • point combinator SKI combinator calculus B, C, K, W system SECD machine Graph reduction machine Sequent, sequent calculus Natural deduction Intuitionistic...
    3 KB (205 words) - 20:20, 20 February 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...
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  • is an inference rule of a sequent calculus that does not refer to any logical connective but instead operates on the sequents directly. Structural rules...
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  • Look up sequent in Wiktionary, the free dictionary. A sequent is a formalized statement of provability used within sequent calculus. Sequent may also refer...
    429 bytes (79 words) - 10:42, 18 May 2023
  • These include Hilbert-style deductive systems, natural deduction, the sequent calculus, the tableaux method and resolution. A formula A is a syntactic consequence...
    13 KB (1,695 words) - 13:05, 5 May 2025
  • the noncommutative multiplicative connectives of the Lambek calculus. Its sequent calculus relies on the structure of order varieties (a family of cyclic...
    6 KB (774 words) - 11:13, 20 March 2025
  • however, to be considered solely as a formula. The formulas of propositional calculus, also called propositional formulas, are expressions such as ( A ∧ ( B...
    18 KB (2,164 words) - 01:24, 20 March 2025