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証明, 構成性, パラドックス

Research Project

Project/Area Number 15J05414
Research Category

Grant-in-Aid for JSPS Fellows

Allocation TypeSingle-year Grants
Section国内
Research Field Philosophy/Ethics
Research InstitutionKanazawa University (2017)
Kobe University (2015-2016)

Principal Investigator

黒川 英徳  金沢大学, 国際基幹教育院, 准教授 (30710230)

Project Period (FY) 2015-04-24 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Fiscal Year 2017: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2016: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2015: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Keywords直観主義論理 / 構成の理論 / 算術的完全性 / 非古典論理 / 論理定項 / シークエント計算 / 無矛盾性証明 / カット除去証明 / 無際限拡張可能性 / 証明論的意味論 / 直観主義 / 証明論 / 下部構造論理 / 様相論理 / 証明論理
Outline of Annual Research Achievements

本研究では,直観主義論理の基礎理論となるクライゼル-グッドマンの「構成の理論」について主として研究した.直観主義論理および直観主義形式算術の構成の理論に関する健全性,完全性を証明すること,および構成の理論の無矛盾性を証明することが目標であった.今年度は,特に当の理論の無矛盾性を証明することを主たる目標として研究を進めた.この証明にはラムダ計算のチャーチ=ロッサーの定理を応用できることが期待されるため,この定理を証明する方法の幾つかを応用することを試みたが,現在のところ証明を得るには至っていない.このため研究の方針をある程度転換し,直観主義論理と算術の関係について述べるデ・ヨングの定理(あるいは直観主義論理の算術的完全性)と呼ばれる定理と構成の理論の関係を調べることにした.これについては,クライゼルによるsqueezing argumentと呼ばれる論法を応用することにより,構成の理論と直観主義論理の関係についてある洞察を得たため,現在論文を執筆中である.なお,この研究はワルター・ディーンとの共同研究である.
また今年度は,この中心課題に関連した非古典論理に関する研究を行なった.直観主義論理の基礎と関連する「証明論理」の哲学的基礎に関する論文を準備し,パリ第一大学IHPSTの,東京大学のセミナーで発表した.また,さらに広く非古典論理に現れる論理定項を証明論の観点から特徴付けるという研究を行い,その成果を第二回MLA(JAIST主催),バーミンガム大学のWSにて発表した.現在,この研究で得られた, 技術的な成果に関する論文,またこのトピックに関する哲学的な基礎に関する論文を現在執筆中である.なお,この研究と関連して,パリ第一大学のアルベルト・ナイボ,ブラジルUFABCのマティア・ペトローロとの論理定項の証明論的特徴付けに関する証明論的研究を継続中である.

Research Progress Status

29年度が最終年度であるため、記入しない。

Strategy for Future Research Activity

29年度が最終年度であるため、記入しない。

Report

(3 results)
  • 2017 Annual Research Report
  • 2016 Annual Research Report
  • 2015 Annual Research Report
  • Research Products

    (23 results)

All 2017 2016 2015 Other

All Int'l Joint Research (8 results) Journal Article (1 results) Presentation (12 results) (of which Int'l Joint Research: 10 results,  Invited: 3 results) Book (2 results)

  • [Int'l Joint Research] University of Warwick(United Kingdom)

    • Related Report
      2017 Annual Research Report
  • [Int'l Joint Research] University of Paris I(France)

    • Related Report
      2017 Annual Research Report
  • [Int'l Joint Research] University of Warwick(United Kingdom)

    • Related Report
      2016 Annual Research Report
  • [Int'l Joint Research] University of Helsinki(Finland)

    • Related Report
      2016 Annual Research Report
  • [Int'l Joint Research] University of Paris I(France)

    • Related Report
      2016 Annual Research Report
  • [Int'l Joint Research] The University of Warwick(United Kingdom)

    • Related Report
      2015 Annual Research Report
  • [Int'l Joint Research] The University of Helsinki(Finland)

    • Related Report
      2015 Annual Research Report
  • [Int'l Joint Research] The University of Paris I(France)

    • Related Report
      2015 Annual Research Report
  • [Journal Article] The principle of reflection via nested sequents2015

    • Author(s)
      Hidenori Kurokawa
    • Journal Title

      the Logica Yearbook 2014

      Volume: 1 Pages: 1-15

    • Related Report
      2015 Annual Research Report
  • [Presentation] Informal provability and the logic of proofs2017

    • Author(s)
      Hidenori Kurokawa
    • Organizer
      Logic seminar, IHPST University of Paris I
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Informal provability and the logic of proofs2017

    • Author(s)
      Hidenori Kurokawa
    • Organizer
      Tokyo Forum for Analytic Philosophy, University of Tokyo
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] The principle of reflection and nested sequents2017

    • Author(s)
      Hidenori Kurokawa
    • Organizer
      Mathematical Logic and its Applications 2
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] The principle of reflection and nested sequents2017

    • Author(s)
      Hidenori Kurokawa
    • Organizer
      Midlands logic seminar, University of Birmingham
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Incompleteness and the indefinite extensibility2016

    • Author(s)
      Hidenori Kurokawa and Takeshi Yamada
    • Organizer
      Hamburg-Tokyo Workshop: Language and reality
    • Place of Presentation
      The University of Tokyo
    • Year and Date
      2016-06-25
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Substructural modal logics extending linear logic2016

    • Author(s)
      Hidenori Kurokawa, Hirohiko Kushida
    • Organizer
      Frontiers of non-classicality: logic, mathematics, and philosophy
    • Place of Presentation
      Tamaki Yacht Club, Aukland, New Zealand
    • Year and Date
      2016-01-28
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Generic common knowledge and other fixed point logics2015

    • Author(s)
      Hidenori Kurokawa
    • Organizer
      認識論理・様相論理研究会
    • Place of Presentation
      早稲田大学
    • Year and Date
      2015-12-05
    • Related Report
      2015 Annual Research Report
  • [Presentation] Labelled sequent calculi for substructural logics I: relevant logics2015

    • Author(s)
      Hidenori Kurokawa
    • Organizer
      Kyoto Non-classical Logic Workshop
    • Place of Presentation
      Kyoto University
    • Year and Date
      2015-11-19
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] On the Interpretation of HPC in the Kreisel-Goodman Theory of Constructions2015

    • Author(s)
      Hidenori Kurokawa
    • Organizer
      Computability Theory and Foundations of Mathematics
    • Place of Presentation
      Tokyo Institute of Technology
    • Year and Date
      2015-09-09
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] A simplification of the Kreisel-Goodman Theory of Constructions2015

    • Author(s)
      Walter Dean, Hidenori Kurokawa
    • Organizer
      Logic Colloquium
    • Place of Presentation
      The University of Helsinki
    • Year and Date
      2015-08-07
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Labelled sequent calculi for substructural logics I: relevant logics2015

    • Author(s)
      Hidenori Kurokawa, Sara Negri
    • Organizer
      Congress of Logic, Methodology, and Philosophy of Science
    • Place of Presentation
      The University of Helsinki
    • Year and Date
      2015-08-07
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 自然数概念の無際限拡張可能性について2015

    • Author(s)
      菊池誠,黒川英徳
    • Organizer
      科学基礎論学会
    • Place of Presentation
      北海道教育大学
    • Year and Date
      2015-06-14
    • Related Report
      2015 Annual Research Report
  • [Book] 数学における証明と真理 第4部 真理と様相(黒川担当)2016

    • Author(s)
      佐野勝彦, 倉橋大志, 薄葉季路, 黒川英徳, 菊池誠 (共著)
    • Total Pages
      304
    • Publisher
      共立出版
    • Related Report
      2015 Annual Research Report
  • [Book] Advances in proof-theoretic semantics (Trends in Logic, Vol. 43), (eds.) Th. Pietscha, P. Schroder-Heister, Ch 3. Kreisel’s theory of constructions, the Kreisel-Goodman paradox, and the second clause2015

    • Author(s)
      W. Dean & H. Kurokawa
    • Total Pages
      283
    • Publisher
      Springer
    • Related Report
      2015 Annual Research Report

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Published: 2015-11-26   Modified: 2024-03-26  

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