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PREFACE.

The ethical and political philosophy of Hobbes are so intimately related that they cannot really be separated. In consequence of this, the extracts from his writings, which form the major part of this volume, have been chosen with reference to a study of both. To this end Parts I. and II. of Leviathan, and Chapters VI. and VII. of De Corpore Politico, have been selected. The extracts from the De Corpore Politico deal with the main subject discussed in Part III. of Leviathan, but in a much more summary manner; hence the substitution. The book thus constructed is designed for use in classes in the History of Ethics and the History of Political Science, where these subjects are studied according to the method contemplated by the "Series" to which this book belongs. Portions of Part I. of Leviathan, which deal with the Psychology and Logic of Hobbes, have been retained for the purpose of adapting the book also for use in courses in the History of Philosophy. Chapters I.-IX. deal chiefly with these subjects, and may be omitted by the student who is merely interested in the ethical and political speculations of Hobbes, especially since the psychological basis of these speculations is mainly contained in the chapters following. The text of this volume is based on Sir Wm. Molesworth's