The Contingency of Possibility

Principia: An International Journal of Epistemology

Jean-Yves Béziau¹ 

[1] Brazilian Council for Scientific and Technological DevelopmentBrazilian Academy of Philosophy and International Academy for Philosophy of SciencesDepartmento de FilosofiaUniversidade Federal do Rio de JaneiroLargo de São Francisco de Paula, 120051-070 Rio de Janeiro, RJBRAZIL;

关键词: Possibility;    contingency;    Necessity, aquare of opposition;    hexagon of opposition;    modal logic.;   

DOI  :  10.5007/1808-1711.2016v20n1p99

来源: DOAJ

【 摘 要 】

In this paper we criticize the way possibility is characterized in contemporary modal logic through the diamond operator. We explain that it does not match with the usual notion of possibility and that this notion is better described by the vertex Y of the hexagon of opposition usually called contingency.

【 授权许可】

Unknown