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Juhana Toivanen
University of Jyväskylä
  1. Fate of the Flying Man: Medieval Reception of Avicenna's Thought Experiment.Juhana Toivanen - 2015 - Oxford Studies in Medieval Philosophy 3:64-98.
    This chapter discusses the reception of Avicenna’s well-known “flying man” thought experiment in twelfth- and thirteenth-century Latin philosophy. The central claim is that the argumentative role of the thought experiment changed radically in the latter half of the thirteenth century. The earlier authors—Dominicus Gundissalinus, William of Auvergne, Peter of Spain, and John of la Rochelle—understood it as an ontological proof for the existence and/or the nature of the soul. By contrast, Matthew of Aquasparta and Vital du Four used the flying (...)
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    Extending the Limits of Nature. Political Animals, Artefacts, and Social Institutions.Juhana Toivanen - 2020 - Philosophical Readings 1 (12):35-44.
    This essay discusses how medieval authors from the thirteenth and fourteenth centuries dealt with a philosophical problem that social institutions pose for the Aristotelian dichotomy between natural and artificial entities. It is argued that marriage, political community, and language provided a particular challenge for the conception that things which are designed by human beings are artefacts. Medieval philosophers based their arguments for the naturalness of social institutions on the anthropological view that human beings are political animals by nature, but this (...)
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  3. Peter Olivi on Practical Reasoning.Juhana Toivanen - 2012 - In A. Musco (ed.), Universality of Reason, Plurality of Philosophies in the Middle Ages: Proceedings of the 12th International Congress of Medieval Philosophy (S.I.E.P.M.), vol. II-2. Palermo: Officina di Studi Medievali. pp. 1033-1045.
    The subject matter of this essay is Peter of John Olivi’s (ca.1248–98) conception of reason from the viewpoint of human action.
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