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Formal & Physical Sciences MathematicsENLev D. Beklemishev: Strictly positive provability logics: recent progress and open questionsLev D. BeklemishevAugust 22, 2021 57 min★ ★ ★ ★ ☆ 4/5Provability LogicModal LogicGödel
Humanities, Social Sciences & Thought Philosophy & EthicsENJuliet Floyd: Truth in Early Wittgenstein and GödelJuliet FloydAugust 22, 2021 22 min★ ★ ★ ★ ☆ 4/5WittgensteinGödelRussell
Formal & Physical Sciences MathematicsENJames Walsh: On the hierarchy of natural theoriesJames WalshAugust 22, 2021 55 min★ ★ ★ ★ ☆ 4/5Mathematical LogicConsistency StrengthReflection Principles
Formal & Physical Sciences MathematicsENHarvey Friedman: Aspects of Gödel incompletenessHarvey FriedmanAugust 22, 2021 74 min★ ★ ★ ★ ☆ 4/5Gödel IncompletenessMathematical LogicInterpretability
Formal & Physical Sciences MathematicsENGödel and the Scope Problem: From Incompleteness to Extended ConstructibilityJuliette C. KennedyAugust 22, 2021 49 min★ ★ ★ ★ ☆ 4/5GödelSet TheoryConstructibility
Formal & Physical Sciences MathematicsENFedor Pakhomov: Could we make second-incompleteness theoremside condition free?Fedor PakhomovAugust 22, 2021 45 min★ ★ ★ ☆ ☆ 3/5Gödel's Incompleteness TheoremsMathematical LogicProof Theory
Formal & Physical Sciences MathematicsENEmil Jerábek: Hereditarily bounded setsEmil JerábekAugust 22, 2021 56 min★ ★ ★ ★ ☆ 4/5Set TheoryDecidabilityModel Theory
Formal & Physical Sciences MathematicsENCompletions of PA and ω-models of KPJulia F. KnightAugust 22, 2021 44 min★ ★ ★ ★ ☆ 4/5Mathematical LogicPeano ArithmeticKripke-Platek Set Theory
Formal & Physical Sciences MathematicsENBalthasar Grabmayr:A Step Towards Absolute Versions of Metamathematical ResultsBalthasar GrabmayrAugust 22, 2021 52 min★ ★ ★ ★ ☆ 4/5Gödel's Incompleteness TheoremsTarski's TheoremFormalization
Formal & Physical Sciences MathematicsENWell ordering principles and a uniform Kruskal theoremAnton FreundAugust 21, 2021 124 min★ ★ ★ ★ ★ 5/5Ordinal AnalysisReverse MathematicsKruskal's Theorem
Formal & Physical Sciences MathematicsENVolker Halbach: Self-reference and intensionality in metamathematicsVolker HalbachAugust 21, 2021 59 min★ ★ ★ ★ ☆ 4/5Self-ReferenceIntensionalityMetamathematics
Formal & Physical Sciences MathematicsENSelf-reference, truth, and provabilityVolker HalbachAugust 21, 2021 123 min★ ★ ★ ★ ☆ 4/5Self-ReferenceTruthProvability
Formal & Physical Sciences MathematicsENProvability Logic and Modalised Fixed PointsAlbert VisserAugust 21, 2021 101 min★ ★ ★ ★ ☆ 4/5Provability LogicModal LogicFixed Points
Formal & Physical Sciences MathematicsENPavel Pudlák: The journey from Peano Arithmetic to proof complexityPavel PudlákAugust 21, 2021 114 min★ ★ ★ ★ ☆ 4/5Proof ComplexityPeano ArithmeticBounded Arithmetic
Formal & Physical Sciences Philosophy & EthicsENOn the Question of Whether the Mind Can be MechanizedPeter KoellnerAugust 21, 2021 117 min★ ★ ★ ★ ☆ 4/5GödelIncompletenessMind
Formal & Physical Sciences MathematicsENMichael Rathjen: Proof Theory: From Arithmetic to Set TheoryMichael RathjenAugust 21, 2021 84 min★ ★ ★ ★ ★ 5/5Proof TheoryOrdinal AnalysisGentzen
Formal & Physical Sciences MathematicsENAli Enayat: Flexible Turing MachinesAli EnayatAugust 21, 2021 119 min★ ★ ★ ★ ★ 5/5Turing MachinesModels of ArithmeticKripke
Formal & Physical Sciences MathematicsENAlbert Visser: Cyclic Henkin Logic: Is there Life beyond Löb’s Third Condition?Albert VisserAugust 21, 2021 109 min★ ★ ★ ★ ☆ 4/5Modal LogicProvability LogicFixed Points