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入学希望の方 修了生の方 企業・研究者の方 教職員・学生 //--> Sitemap Access Japanese About GSISMessage from the DeanIntroduction to GSISGSIS guide bookOrganizationSNSJournal: Interdisciplinary Information SciencesContactsFacultyLaboratories by DepartmentComputer and Mathematical SciencesSystem Information SciencesHuman-Social Information SciencesApplied Information SciencesLaboratories by Specialized Subject GroupColaborative LaboratoriesPromotion OfficeAdmissionEntrance ExaminationCurriculum and Qualifications for ApplicationResearch StudentDormitoryFor StudentsSyllabus / Time table / Student HandbookNoticeInternational StudentsScholarshipDormitoryAdmission fee / Tuition fee waiverHandbook for International StudentsJapanese Language ProgramCounseling servicesEmergency InformationInternal Access Only Home Faculty Laboratories by Department Philosophy of Logical Analysis Human-Social Information Sciences Philosophy of Logical Analysis C17 Assoc. Prof. Hitoshi Omori       Lab's Web page Keywordsdialetheism, non-classical logic, paraconsistent logic, many-valued logic, modal logic Logic and philosophy In our research group, we study logic, especially in relation to philosophy. The question of what philosophy is itself becomes a philosophical question. However, let&＃39;s assume that it aims at making sense of things in the most general level. Then, the background assumptions that must be followed during the process of sense making are often not questioned. For example, in Western philosophy, the large majority does not question the status of the law of excluded middle and the law of non-contradiction formulated by Aristotle. However, there are also philosophers that critically reconsider the above laws. For instance, intuitionism in the philosophy of mathematics directly challenges the law of excluded middle and has had a significant impact not only in philosophy but also in mathematics and computer science. The relationship between logic and philosophy is also a philosophical question. However, I believe that one important role of logic is to reflect the background assumptions involved in the process of sense making. In my research so far, I have focused on the possibility and implications of dialetheism, which directly challenges the law of non-contradiction, and on paraconsistent logic, which supports the formal aspects of dialetheism. The discussion of logic is extremely rich and fruitful. Let’s explore logic together while looking at various topics, including the laws of non-contradiction and excluded middle, not only in philosophy, but also in mathematics and computer science, and enjoy the journey. A co-edited book on Belnap-Dunn logic, one of the famous paraconsistent logics Co-edited special issues on connexive logic FacultyLaboratories by DepartmentComputer and Mathematical SciencesSystem Information SciencesHuman-Social Information SciencesApplied Information SciencesLaboratories by Specialized Subject GroupColaborative LaboratoriesPromotion Office GSIS: Graduate School of Information Sciences, Tohoku University 6-3-09 Aoba, Aramaki-aza Aoba-ku, Sendai, 980-8579, Japan Phone.+81-22-795-5813 Fax. +81-22-795-5815 Contacts is-www-admin,is.tohoku.ac.jp --> About GSIS Message from the DeanIntroduction to GSISGSIS guide bookOrganizationSNSJournal: Interdisciplinary Information SciencesContacts Faculty Laboratories by DepartmentComputer and Mathematical SciencesSystem Information SciencesHuman-Social Information SciencesApplied Information SciencesLaboratories by Specialized Subject GroupColaborative LaboratoriesPromotion Office Admission Entrance ExaminationCurriculum and Qualifications for ApplicationResearch StudentDormitory For Students Syllabus / Time table / Student HandbookNoticeInternational StudentsScholarshipDormitoryAdmission fee / Tuition fee waiverHandbook for International StudentsJapanese Language ProgramCounseling servicesEmergency InformationInternal Access Only About this Website Link © 2016 Graduate School of Information Sciences, Tohoku University About GSIS Message from the DeanIntroduction to GSISGSIS guide bookOrganizationSNSJournal: Interdisciplinary Information SciencesContacts Faculty Laboratories by DepartmentComputer and Mathematical SciencesSystem Information SciencesHuman-Social Information SciencesApplied Information SciencesLaboratories by Specialized Subject GroupColaborative LaboratoriesPromotion Office Admission Entrance ExaminationCurriculum and Qualifications for ApplicationResearch StudentDormitory For Students Syllabus / Time table / Student HandbookNoticeInternational StudentsScholarshipDormitoryAdmission fee / Tuition fee waiverHandbook for International StudentsJapanese Language ProgramCounseling servicesEmergency InformationInternal Access Only Sitemap Access Japanese no cache