URL：http://web.archive.org/web/20120419100918/http://www.greatplay.net/wp-content/uploads/2011/10/calvin_ethics.jpeg
掲載元：http://www.stephankinsella.com/2011/11/the-problem-of-particularistic-ethics-or-why-everyone-really-has-to-admit-the-validity-of-the-universalizability-principle/
