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...
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First-order logic (redirect from First-order predicate calculus)
sequent calculus was developed to study the properties of natural deduction systems. Instead of working with one formula at a time, it uses sequents,...
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is almost always associated with the conceptual framework of sequent calculus. Sequents are best understood in the context of the following three kinds...
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theory comes from a technical notion introduced in the sequent calculus: the sequent calculus represents the judgement made at any stage of an inference...
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Natural deduction (redirect from Natural deduction calculus)
deduction. For this reason he introduced his alternative system, the sequent calculus, for which he proved the Hauptsatz both for classical and intuitionistic...
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Curry–Howard correspondence (section Sequent calculus)
ability to manipulate the continuation of programs and the symmetry of sequent calculus to express the duality between the two evaluation strategies known...
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radically different logics. For example, a paradigmatic case is the sequent calculus, which can be used to express the consequence relations of both intuitionistic...
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Linear logic (section Sequent calculus presentation)
intuitions. Proof-theoretically, it derives from an analysis of classical sequent calculus in which uses of (the structural rules) contraction and weakening are...
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Boolean algebra (section Sequent calculus)
is sequent calculus, which has two sorts, propositions as in ordinary propositional calculus, and pairs of lists of propositions called sequents, such...
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Intuitionistic logic (redirect from Intuitionistic propositional calculus)
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...
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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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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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Non-normal modal logic (section Sequent calculus)
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...
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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...
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Hilbert system (redirect from Hilbert calculus)
any of their rules of inference, while both natural deduction and sequent calculus contain some context-changing rules. Thus, if one is interested only...
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Weisstein, Eric W. "Sequent Calculus". mathworld.wolfram.com. Retrieved 23 March 2024. "Interactive Tutorial of the Sequent Calculus". logitext.mit.edu...
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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...
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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...
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then P {\displaystyle P} may be concluded." In sequent calculus the principle is expressed by the sequent Γ , ¬ ¬ P ⊢ P , Δ {\displaystyle \Gamma ,\lnot...
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general idea in structural proof theory that breaks with the classical sequent calculus by generalising the notion of structure to permit inference to occur...
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or determine that none exists. The concepts of Fitch-style proof, sequent calculus and natural deduction are generalizations of the concept of proof....
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propositional calculus, Ricci calculus, calculus of variations, lambda calculus, sequent calculus, and process calculus. Furthermore, the term "calculus" has variously...
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point combinator SKI combinator calculus B, C, K, W system SECD machine Graph reduction machine Sequent, sequent calculus Natural deduction Intuitionistic...
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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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Proof calculus, a framework for expressing systems of logical inference Sequent calculus, a proof calculus for first-order logic Cirquent calculus, a proof...
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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...
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These include Hilbert-style deductive systems, natural deduction, the sequent calculus, the tableaux method and resolution. A formula A is a syntactic consequence...
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Well-formed formula (section Propositional calculus)
however, to be considered solely as a formula. The formulas of propositional calculus, also called propositional formulas, are expressions such as ( A ∧ ( B...
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In mathematical logic, the lambda calculus (also written as λ-calculus) is a formal system for expressing computation based on function abstraction and...
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