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Researcher Information

last modified:2025年11月23日

Professor ADACHI Hidehiko

Faculty, Affiliation

Faculty of Law, Institute of Human and Social Sciences
Dean, Graduate School of Law

College and School Educational Field

Division of Law and Politics, Graduate School of Law
Division of Human and Socio-Environment Studies, Graduate School of Human and Socio-Environmental Studies
School of Law, College of Human and Social Sciences

Laboratory

Jurisprudence

Academic Background

【Academic background(Doctoral/Master's Degree)】
Christian-Albrechts-Universität zu Kiel Doctor Other
Tohoku University Doctor Graduate School, Division of Law 200109 Unfinished course
Tohoku University Master Graduate School, Division of Law 199703 Completed
【Academic background(Bachelor's Degree)】
Tohoku University 199503
【Degree】
Dr. jur. (University of Kiel, Germany)
Master of Laws (Tohoku University, Japan)

Career

Christian-Albrechts-Universitaet zu Kiel Rechtswissenschaftliche Fakultaet assistant(2002年06月01日-2002年11月30日)

Year & Month of Birth

1971/10

Academic Society

The Japan Assosiation of Legal Philosophy
IVR Japan

Award

しろまるFoerderpreis des Vereins Kieler Doctores Iuris(2006年06月23日)

Specialities

Jurisprudence

Speciality Keywords

deontic logic,Jurisprudence,Philosophy of Law

Research Themes

Jurisprudence (Philosophy of Law)

Jurisprudence is the study of what law is, and I am particularly interested in the relationship between law and logic, and between law and justice. Logic is the common language of the science, but since law is normative, I try to understand law in terms of 'deonic logic' ('logic of obligation'), a language in which norms can be expressed. Justice has also been considered, since Aristotle, to be closely related to 'equality'. I am also interested in the interpretation of that equality. I welcome anyone who wants to understand the law in terms of logic and justice (equality).

Books

  • Hidehiko Adachi Die Radbrchsche Formel. Eine Untersuchung der Rechtsphilosophie Gustav Radbruchs Nomos 2006/07
  • Gustav Radbruch Rechtsphilosophische Tagesfragen: Vorlesungsmanuskript Kiel, Sommersemester 1919 Nomos 2004/03

Papers

  • Ideales Sollen als Sollen in der idealen Welt Hidehiko Adachi Carsten Bäcker (Hrsg.), Rechtsdiskurs, Rechtsprinzipien, Rechtsbegriff 165-173 2022年12月01日
  • A Formulation of Conditional Norms with a Material Conditional Hidehiko Adachi Archiv für Rechts- und Sozialphilosophie Beiheft 166 141-149 2021
  • Legal Conditional Norms Hidehiko Adachi Analisi e diritto 2017 347-354 2017
  • Relationen zwischen Recht und Moral, Eine Analyse der Klassifikation von Robert Alexy Hideiko Adachi Martin Borowski, Stanley L. Paulson, Jan-Reinard Sieckmann (Hrsg.), Rechtsohilosophie und Grundrechtstheorie: Robert Alexys System (ISBN: 9783161556265) 175-183 2017
  • Das Recht als die Möglichkeit der Moral und der Unmoral: Das Verhältnis von Recht und Moral nach Gustav Radbruch Hidehiko Adachi Martin Borowski u. Stanley L. Paulson (Hrsg.), Die Natur des Rechts bei Gustav Radbruch (ISBN: 9783161534515) 2015/02


  • P. J. A. Feuerbachsche Deduktion der Rechte Hidehiko Adachi Jan C. Joerden, Andrzej J. Szwarc (Hrsg.), Strafrechtsdogmatik und Rechtsphilosophie -Ein Fruchtbares Spannungsverhältnis (ISBN: 9788363795580) 2014年10月01日
  • Gustav Radbruchs Kritik am Positivismus Hidehiko Adachi Rainer Schmidt (Hrsg.) Rechtspositivismus: Ursprung und Kritik (ISBN: 9783832976491) 157-167 2014年07月01日

Conference Presentations

  • Revisiting Historical Injustice: Legal Implications of Korean Worker Mobilization under Japanese Colonial Rule(conference:The 31st World Congress of the International Association for Philosophy of Law and Social Philosophy)(2024年07月11日)
  • Inequality in Japan: Support for Victims of Natural Disasters (conference:European Research Council HABITAT International Conference)(2024年05月16日)
  • Can a Law be Just?(conference:The 2nd IVR Japan International Conference)(2023年09月17日)
  • Ideales Sollen als Sollen in der idealen Welt(conference:Internationales Symposium: Elemente einer diskursiven Grund- und Menschenrechtstheorie)(2021年09月29日)
  • An Interpretation of Radbruch’s Betraying Formula(conference:The 29th World Congress of the International Association for Philosophy of Law and Social Philosophy)(2019年07月09日)


  • Radbruch and Fuller: Their Similarities and Differences(conference:the 1st IVR (Internationale Vereinigung für Rechts- und Sozialphilosophie, International Association for Philosophy of Law and Social Philosophy) Japan International Conference (IVRJ2018))(2018年07月08日)
  • Legal Obligation as Conditional Obligation(conference:XXVIII World Congress of the International Association for Philosophy of Law and Social Philosophy )(2017年07月18日)
  • Non-positivistic Concept of Law(conference:The 10th East Asian Conference on Philosophy of Law)(2016年11月06日)
  • Non-Positivism and Relativism(conference:Modern German Non-positivism - From Radbruch to Alexy)(2016年09月15日)
  • The Relationships between Law and Morality: An Analysis of Robert Alexy’s Classification(conference:IVR XXVII World Congress)(2015年07月28日)
  • Conditional Obligation and Fact Statements(conference:The 9th East Asian Conference on Philosophy of Law)(2014年08月22日)
  • P. J. A. Feuerbachsche Deduktion der Rechte(conference:Deutsch-japanisch-polnisch-türkische Tagung: "Strafrechtsdogmatik und Rechtsphilosophie - ein frucht)(2013年08月28日)
  • A Goal of Legal Philosophy and Subjects in Legal Logic(conference:XXV World Congress of the International Association for the Philosophy of Law and Social Philosophy)(2011年08月18日)
  • Die Freiheitslehre von Gustav Radbruch(conference:XXV World Congress of the International Association for the Philosophy of Law and Social Philosophy)(2011年08月19日)

Others

Arts and Fieldwork

Patent

Theme to the desired joint research

Grant-in-Aid for Scientific Research

しろまる「On the Logical Difference between Rules and Principles」(2025-2029)
しろまる2022「1919年前後のラートブルフ法概念の変遷:『法哲学』講義原稿の読解を踏まえて」(2020-2022)
しろまる「法概念の論理的分析」(2009-2012)
しろまる「グスタフ・ラートブルフとヘルマン・U・カントロヴィッツの交友関係について」(2006-2008)

Competitive research funding,Contribution

Collaborative research,Consignment study

Classes (Bachelors)

しろまるJurisprudence B(2024)
しろまるJurisprudence A(2024)
しろまるIntroduction to Law and Jurisprudence(2024)
しろまるHistory of Legal Ideas(2024)
しろまるLaw in Liberal Arts(2024)
しろまるIntroduction to Modal Logics(2024)

Classes (Graduate Schools)

しろまるJurisprudence (SL) IV(2024)
しろまるJurisprudence (SL) III(2024)
しろまるJurisprudence (SL) II(2024)
しろまるIntroduction to Legal and Political Science Research(2024)
しろまるJurisprudence (SL) I(2024)

International Project

International Students

Lecture themes

Others (Social Activities)

しろまるJapanisch-Deutsche Gesellschaft Ishikawa(2021-2024)

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