• logic, structural proof theory is the subdiscipline of proof theory that studies proof calculi that support a notion of analytic proof, a kind of proof whose...
    8 KB (1,182 words) - 22:31, 18 August 2024
  • include structural proof theory, ordinal analysis, provability logic, reverse mathematics, proof mining, automated theorem proving, and proof complexity...
    20 KB (2,666 words) - 15:22, 15 March 2025
  • sequent calculus, which is the most studied formalism of structural proof theory. Many other proof calculi were, or might have been, seminal, but are not...
    4 KB (459 words) - 00:44, 20 December 2024
  • Deep inference (category Proof theory)
    In mathematical logic, deep inference names a general idea in structural proof theory that breaks with the classical sequent calculus by generalising...
    2 KB (251 words) - 08:40, 4 March 2024
  • distinct proof calculi, so defining the subfield of structural proof theory. There is no uncontroversial general definition of analytic proof, but for...
    3 KB (474 words) - 19:59, 17 December 2024
  • logic, the calculus of structures is a proof calculus with deep inference for studying the structural proof theory of noncommutative logic. The calculus...
    1 KB (114 words) - 14:42, 3 January 2024
  • generality with other features expected of good structural proof theories, such as purity (the proof theory does not introduce extra-logical notions such...
    61 KB (8,650 words) - 07:10, 26 April 2025
  • Structural induction is a proof method that is used in mathematical logic (e.g., in the proof of Łoś' theorem), computer science, graph theory, and some...
    12 KB (1,750 words) - 11:32, 3 December 2023
  • set, the continuous image of a Polish space Analytic proof, in structural proof theory, a proof whose structure is simple in a special way Analytic tableau...
    5 KB (583 words) - 14:39, 20 March 2023
  • contributions to the philosophy of logic, temporal logic, and structural proof theory. He taught at the University of Pittsburgh from 1963 until his...
    8 KB (864 words) - 21:21, 26 August 2024
  • Nested sequent calculus (category Proof theory)
    In structural proof theory, the nested sequent calculus is a reformulation of the sequent calculus to allow deep inference. Alwen Tiu; Egor Ianovski;...
    464 bytes (47 words) - 06:32, 25 July 2023
  • Sequent Sequent calculus Analytic proof Structural proof theory Self-verifying theories Substructural logics Structural rule Weakening Contraction Linear...
    14 KB (1,012 words) - 00:08, 16 November 2024
  • In the logical discipline of proof theory, a structural rule is an inference rule of a sequent calculus that does not refer to any logical connective but...
    4 KB (588 words) - 15:11, 7 March 2025
  • focused proofs are a family of analytic proofs that arise through goal-directed proof-search, and are a topic of study in structural proof theory and reductive...
    8 KB (1,222 words) - 21:13, 26 March 2025
  • Thumbnail for Structural complexity theory
    In computational complexity theory of computer science, the structural complexity theory or simply structural complexity is the study of complexity classes...
    6 KB (672 words) - 08:43, 22 October 2023
  • co-author, with Jan von Plato, of two books: Structural Proof Theory (Cambridge University Press, 2001) Proof Analysis: A Contribution to Hilbert's Last...
    4 KB (359 words) - 23:39, 25 April 2024
  • Hypersequent (category Proof theory)
    hypersequent framework is an extension of the proof-theoretical framework of sequent calculi used in structural proof theory to provide analytic calculi for logics...
    13 KB (1,971 words) - 05:03, 19 August 2024
  • Thumbnail for Structural engineering
    vehicles where structural integrity affects functioning and safety. See glossary of structural engineering. Structural engineering theory is based upon...
    34 KB (3,726 words) - 13:46, 28 January 2025
  • free dictionary. Weakening may refer to Weakening (logic), a structural rule in proof theory Weakening (linguistics), a sound change that can be described...
    216 bytes (64 words) - 12:17, 23 September 2016
  • Stability theory Rahman, Aminur; Blackmore, D. (2023). "The One-Dimensional Version of Peixoto's Structural Stability Theorem: A Calculus-Based Proof". SIAM...
    10 KB (1,294 words) - 01:07, 7 December 2024
  • In mathematics, a proof by infinite descent, also known as Fermat's method of descent, is a particular kind of proof by contradiction used to show that...
    15 KB (2,223 words) - 10:12, 24 December 2024
  • "Handbook of Proof Theory". Chapter 1, "An Introduction to Proof Theory". Elsevier, 1998. Dale Miller: A Compact Representation of Proofs. Studia Logica...
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  • Space hierarchy theorem (category Structural complexity theory)
    In computational complexity theory, the space hierarchy theorems are separation results that show that both deterministic and nondeterministic machines...
    16 KB (2,784 words) - 01:28, 10 March 2025
  • Major subareas include model theory, proof theory, set theory, and recursion theory (also known as computability theory). Research in mathematical logic...
    69 KB (8,370 words) - 19:50, 19 April 2025
  • Time hierarchy theorem (category Structural complexity theory)
    In computational complexity theory, the time hierarchy theorems are important statements about time-bounded computation on Turing machines. Informally...
    17 KB (2,497 words) - 06:57, 22 April 2025
  • Thumbnail for Susanne Bobzien
    for Gentzen-style substructural sequent logics as developed in structural proof theory, and in the co-authored "Stoic Logic and Multiple Generality" she...
    15 KB (1,433 words) - 00:58, 1 May 2025
  • Thumbnail for Set theory
    uncountability proof, which differs from the more familiar proof using his diagonal argument. Cantor introduced fundamental constructions in set theory, such as...
    54 KB (6,575 words) - 12:01, 1 May 2025
  • Thumbnail for Mathematical induction
    transfinite induction. It is an important proof technique in set theory, topology and other fields. Proofs by transfinite induction typically distinguish...
    47 KB (6,914 words) - 08:02, 15 April 2025
  • Thumbnail for Evidence
    can vary in strength, ranging from weak correlation to indisputable proof. Theories of the evidential relation examine the nature of this connection. Probabilistic...
    46 KB (5,435 words) - 00:11, 7 March 2025
  • Thumbnail for Homotopy type theory
    each of these in computer proof assistants. There is a large overlap between the work referred to as homotopy type theory, and that called the univalent...
    39 KB (4,643 words) - 08:24, 29 March 2025