著者
富松 保文
出版者
北海道大学哲学会
雑誌
哲学 (ISSN:02872560)
巻号頁・発行日
vol.45, pp.71-90, 2009-03-21
著者
深山 洋平
出版者
北海道大学哲学会
雑誌
哲学 (ISSN:02872560)
巻号頁・発行日
vol.52, pp.55-69, 2018-12-02

The first aim of this paper is to explicate the intention of a picture which was found on the introduction Web page of emeritus Koji Nakatogawa at Hokkaido University and which visualizes inference from seeing smoke at some place to the existence of fire there. It turns out that the picture is influenced from a book whose authors include mathematician F. W. Lawvere and that the intention is clarified by using Lawvere's elementary topos theory. The second aim is to point out a conflict between Nakatogawa's view that "static" set theory is opposed to "dynamic" category theory and Lawvere's conception of the topos of abstract sets and that of variable sets.

1 0 0 0 OA 大学と哲学

著者
藤本 忠
出版者
北海道大学哲学会
雑誌
哲学 (ISSN:02872560)
巻号頁・発行日
vol.53, pp.61-79, 2019-01-04

The university has strong relationship with philosophy from the perspective of “Theory of science" ("Die Lehre von der Wissenschaft"). In this paper I investigate the history of Faculty of Philosophy considering the situation and reform which the Japanese universities are faced with. At that time, I take much notice of the history of (early) modern German university. Considering the expertise of I. Kant concerning the organization about university, we can understand the relationship between universities and political power at the time of Germany. In addition, we can see the influence of the ideal of the establishment of the Berlin University (Humboldt-Universität zu Berlin) on the Japanese universities and educations on philosophy or liberal arts.
著者
水野 浩二
出版者
北海道大学哲学会
雑誌
哲学 (ISSN:02872560)
巻号頁・発行日
vol.39, pp.81-87, 2003-07-20
著者
深山 洋平
出版者
北海道大学哲学会
雑誌
哲学 (ISSN:02872560)
巻号頁・発行日
vol.42, pp.1-14, 2006-07-18

F.W. Lawvere described a certain interesting feature on G. Cantor's theory of cardinal numbers, using adjoint functors from the category theory. This paper provides a brief overview of the method he took, and then consider its significance. As a consequence, it is shown that he argues Cantor's theory of cardinal numbers in relationship to structured sets (specifically with topological structures,) and from the method we can get a hint to approach the nature of sets.
著者
長谷川 吉昌
出版者
北海道大学哲学会
雑誌
哲学 (ISSN:02872560)
巻号頁・発行日
vol.36, pp.1-18, 2000-07-23
著者
田村 圭一
出版者
北海道大学哲学会
雑誌
哲学 (ISSN:02872560)
巻号頁・発行日
no.39, pp.1-18, 2003
著者
中澤 務
出版者
北海道大学哲学会
雑誌
哲学 (ISSN:02872560)
巻号頁・発行日
vol.37, pp.39-55, 2001-07-15