| Project/Area Number |
16K02110
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Philosophy/Ethics
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| Research Institution | Yamanashi Gakuin University (2017-2018)
Tokyo Denki University (2016) |
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Principal Investigator |
DIETZ Richard 山梨学院大学, 国際リベラルアーツ学部, 特任准教授 (10625651)
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| Project Period (FY) |
2016-04-01 – 2019-03-31
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| Project Status |
Completed (Fiscal Year 2018)
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| Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2018: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2017: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2016: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
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| Keywords | Vagueness / Higher-order vagueness / Paradox / Rationality / Decision-Making / Communication / Formal Epistemology / Decision-making / Decision Theory / vagueness / higher-order vagueness / rationality / reasons / values / maximisation / competitiveness / decision-making / agency / categorisation / reason based choice |
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| Outline of Final Research Achievements |
My research resulted in the publication of two major editorial projects: first, a collection of papers on vagueness and probability, in which the probabilistic nature of vague categorization and implications of vague probabilities for rational inductive inference are discussed; second, a collection of papers on vagueness and rationality, in which the rationality of vagueness and the impact of vague preferences on rational decision making are discussed. In a paper (under review), I develop a novel account of vagueness that ties vague categorisation closely with grading behaviour: according to this, vagueness is a kind of satisfycing behaviour, that is, a species of bounded rationality. In another paper (under review), I defend a pluralistic approach to the normative theory of vague preferences, drawing a connection between different normative constraints on rational choice involving vagueness and different conceptions of value relations
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| Academic Significance and Societal Importance of the Research Achievements |
My research brought approaches from social sciences to vagueness fruitfully to bear on the philosophical discussion of vagueness; and likewise, the metaphysics of value relations to questions of value theory.
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