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  1.  29
    Natural Necessity: An Introductory Guide for Ontologists.Fumiaki Toyoshima - forthcoming - Applied Ontology:1-29.
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  2.  31
    Causation: A Functional Perspective.Fumiaki Toyoshima, Riichiro Mizoguchi & Mitsuru Ikeda - 2019 - Applied Ontology 14 (1):43-78.
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  3.  13
    Roles and Their Three Facets: A Foundational Perspective.Fumiaki Toyoshima - 2021 - Applied ontology 16 (2):161-192.
    Roles remain nebulous entities, notwithstanding their extensive interdisciplinary research. This paper argues through a meta-ontological conceptual tool of grounding that there are three key facets of roles: a role position, a role specification, and a role potential. A foundational perspective on roles can be specified by “role choices” as to which facet of roles is primary. Role choices are illustrated with theories of roles that are built in compliance with four well-known upper ontologies: GFO, DOLCE, BFO, and UFO. The relationship (...)
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  4.  7
    Affordances and Their Ontological Core.Fumiaki Toyoshima, Adrien Barton & Jean-François Ethier - 2022 - Applied ontology 17 (2):285-320.
    The notion of affordance remains elusive, notwithstanding its importance for the representation of agency, cognition, and behaviors. This paper lays down a foundation for an ontology of affordances by elaborating the idea of “core affordance” which would serve as a common ground for explaining existing diverse conceptions of affordances and their interrelationships. For this purpose, it analyzes M. T. Turvey’s dispositional theory of affordances in light of a formal ontology of dispositions. Consequently, two kinds of so-called “core affordances” are proposed: (...)
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