In mathematical logic, a proof calculus or a proof system is built to prove statements. A proof system includes the components: Formal language: The set...
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we can reliably find proof of a given sentence or determine that none exists. The concepts of Fitch-style proof, sequent calculus and natural deduction...
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In mathematical logic, sequent calculus is a style of formal logical argumentation in which every line of a proof is a conditional tautology (called a...
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related. Calculus as a unified theory of integration and differentiation started from the conjecture and the proof of the fundamental theorem of calculus. The...
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Natural deduction (redirect from Natural deduction calculus)
In logic and proof theory, natural deduction is a kind of proof calculus in which logical reasoning is expressed by inference rules closely related to...
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the calculus of structures is a proof calculus with deep inference for studying the structural proof theory of noncommutative logic. The calculus has...
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and other proof assistants. Some of its variants include the calculus of inductive constructions (which adds inductive types), the calculus of (co)inductive...
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derivatives. The calculus has applications in, for example, stochastic filtering. Malliavin introduced Malliavin calculus to provide a stochastic proof that Hörmander's...
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Consistency (redirect from Consistency proof)
normalization of the underlying calculus if there is one) implies the consistency of the calculus: since there is no cut-free proof of falsity, there is no contradiction...
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predicates Proof calculus, a framework for expressing systems of logical inference Sequent calculus, a proof calculus for first-order logic Cirquent calculus, a...
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has proved very important in proof theory. Gentzen (1934) further introduced the idea of the sequent calculus, a calculus advanced in a similar spirit...
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and in particular proof theory, a proof procedure for a given logic is a systematic method for producing proofs in some proof calculus of (provable) statements...
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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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outline should not be considered a rigorous proof of the theorem. We work with first-order predicate calculus. Our languages allow constant, function and...
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distinguishes proof nets from regular proof calculi such as the natural deduction calculus and the sequent calculus, where these phenomena are present. Proof nets...
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Cut-elimination theorem (redirect from Cut-free proof)
judgement that possesses a proof in the sequent calculus making use of the cut rule also possesses a cut-free proof, that is, a proof that does not make use...
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Rocq (redirect from Coq proof assistant)
constructive proof of its formal specification. Rocq works within the theory of the calculus of inductive constructions, a derivative of the calculus of constructions...
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for several proof calculi there is an accepted notion. For example: In Gerhard Gentzen's natural deduction calculus the analytic proofs are those in...
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Lean is a proof assistant and a functional programming language. It is based on the calculus of constructions with inductive types. It is an open-source...
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Method of analytic tableaux (redirect from Tableau calculus)
properties a tableau calculus may or may not possess are completeness, destructiveness, and proof confluence. A tableau calculus is called complete if...
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In propositional calculus and proof complexity a propositional proof system (pps), also called a Cook–Reckhow propositional proof system, is a system for...
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called infinitesimal calculus or "the calculus of infinitesimals", it has two major branches, differential calculus and integral calculus. The former concerns...
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Branch of mathematical logic Visual calculus – Visual mathematical proofs Dunham 1994, p. 120 Weisstein, Eric W. "Proof without Words". MathWorld. Retrieved...
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its original proof Mathematical induction and a proof Proof that 0.999... equals 1 Proof that 22/7 exceeds π Proof that e is irrational Proof that π is irrational...
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Charles Hermite found a proof that requires no prerequisite knowledge beyond basic calculus. Three simplifications of Hermite's proof are due to Mary Cartwright...
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Curry–Howard correspondence (redirect from Programs-as-proofs)
Coquand's calculus of constructions (CoC), two calculi in which proofs are regular objects of the discourse and in which one can state properties of proofs the...
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Product rule (redirect from Product Rule (Calculus))
In calculus, the product rule (or Leibniz rule or Leibniz product rule) is a formula used to find the derivatives of products of two or more functions...
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Calculus, originally called infinitesimal calculus, is a mathematical discipline focused on limits, continuity, derivatives, integrals, and infinite series...
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The notion of analytic proof was introduced into proof theory by Gerhard Gentzen for the sequent calculus; the analytic proofs are those that are cut-free...
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standard semantics does not admit an effective, sound, and complete proof calculus. The model-theoretic properties of HOL with standard semantics are also...
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