TPP: Chapter V

by Bertrand Russell CHAPTER V. KNOWLEDGE BY ACQUAINTANCE AND KNOWLEDGE BY DESCRIPTION In the preceding chapter we saw that there are two sorts of knowledge: knowledge of things, and knowledge of truths. In this chapter we shall be concerned exclusively with knowledge of things, of which in turn we shall have to distinguish two kinds. […]

TPP: Chapter IV

by Bertrand Russell CHAPTER IV. IDEALISM The word ‘idealism’ is used by different philosophers in somewhat different senses. We shall understand by it the doctrine that whatever exists, or at any rate whatever can be known to exist, must be in some sense mental. This doctrine, which is very widely held among philosophers, has several […]

TPP: Chapter III

by Bertrand Russell CHAPTER III. THE NATURE OF MATTER In the preceding chapter we agreed, though without being able to find demonstrative reasons, that it is rational to believe that our sense-data—for example, those which we regard as associated with my table—are really signs of the existence of something independent of us and our perceptions. […]

TPP: Chapter II

by Bertrand Russell CHAPTER II. THE EXISTENCE OF MATTER In this chapter we have to ask ourselves whether, in any sense at all, there is such a thing as matter. Is there a table which has a certain intrinsic nature, and continues to exist when I am not looking, or is the table merely a […]

TPP: Chapter I

by Bertrand Russell CHAPTER I. APPEARANCE AND REALITY Is there any knowledge in the world which is so certain that no reasonable man could doubt it? This question, which at first sight might not seem difficult, is really one of the most difficult that can be asked. When we have realized the obstacles in the […]

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