Table of contents : Theory and Observation 9 A Network Model of Universals 45 The Grue Paradox 75 The Logic of Induction as Explication 89 Universal Generalizations 93 Personalist Probability 103 Bayesian Confirmation Theory 135 Finiteness Laws and Causality 175 Theory as Analogy 197 Simplicity 223 Maxwells Logic of Analogy 259 A Realist Interpretation of Science 283 Index of Names 303