Eriugena, Berkeley and the Idealist Tradition is a collection of original essays presented at an international conference held in Dublin in 2002 and subsequently revised in light of discussions at the conference. As Stephen Gersh and Dermot Moran explain in their introduction, this book asks the question: What do philosophers mean by “idealism?” According to Gersh and Moran, the question of idealism is a difficult one, not only because of the historical complexity of the term “idealism” as they have sketched it but also because understanding of the phenomenon is dependent...