# On the Plurality of Worlds **Opening (not a real abstract):** Lewis, David K. (1986) On the Plurality of Worlds Oxford: Blackwell ISBN: 9780631224266 ISBN10: 0631224262 Preface vii 1 A Philosophers' Paradise 1.1 The Thesis of Plurality of Worlds 1 1.2 Modal Realism at Work: Modality 5 1.3 Modal Realism at Work: Closeness 20 1.4 Modal Realism at Work: Content 27 1.5 Modal Realism at Work: Properties 50 1.6 Isolation 69 1.7 Concreteness 81 1.8 Plenitude 86 1.9 Actuality 92 2 Paradox in Paradise? 2.1 Everything is Actual? 97 2.2 All Worlds in One? 101 2.3 More Worlds Than There Are? 104 2.4 How Can We Know? 108 2.5 A Road to Scepticism? 115 2.6 A Road to Indifference? 123 2.7 Arbitrariness Lost? 128 2.8 The Incredulous Stare 133 3 Paradise on the Cheap? 3.1 The Ersatzist Programme 136 3.2 Linguistic Ersatzism 142 3.3 Pictorial Ersatzism 165 3.4 Magical Ersatzism 174 **Authors:** [[David K. Lewis]]