Knowledge and justification
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Bertrand Russell, Acquaintance
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The philosopher Bertrand Russell used the term acquaintance for knowledge that can lead to self-evident truths. "We shall say that we have acquaintance with anything of which we are directly aware, without the intermediary of any process of inference or any knowledge of truths." He goes on to cite sense-data as objects with which we are acquainted; thus, it would appear that he is very much an empiricist, though it later emerges that he is not! Russell draws an important distinction between knowledge of truths (knowing that) and knowledge of things (acquaintance) which it will be helpful to clarify. To take his own example: in perception a person becomes acquainted with sense data. Then he forms a judgement about the sense-data. For example, he may become acquainted with a brown sense-datum. At present, however, he has no knowledge of truth; then he forms the judgement, this sense-datum is brown. The judgement, which is true and certain, is based upon the acquaintance with the sense-datum. Thus, all self-evident truths (if there are any!) are based on direct acquaintance with some object or other. Hence, if Descartes is right about the cogito, what makes the judgement cogito, ergo sum self-evidently true is the direct acquaintance of the mind with itself.
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Contents of Knowledge and justification
1 The distinction between knowledge and belief 2 Unsound, invalid, possible world and fallacy 3 Counterexample, exposing a fallacy 4 Belief and doubt 5 Believing that and knowing that 6 Knowledge and certainty - the tripartite definition of knowledge 7 True, justified belief 8 Plato: The Theaetetus 9 Plato: Forms 10 The possibility of scepticism and categories of belief 11 Global scepticism 12 The Argument from Authority 13 Valid argument, inference and justification 14 Chain of deductive inferences, self-evident truths 15 Sense experience, empiricism 16 The dialectic method, thesis and antithesis 17 Rationalism and empiricism; the Discourse on the Method 18 The Cogito, Reason and Rational Insight 19 Bertrand Russell, Acquaintance 20 Universals, Forms 21 Scepticism, Existentialism and Faith 22 The evil genius argument 23 Existentialism 24 Soren Kierkegaard - Fear and Trembling - the Absurd 25 Foundation for Knowledge 26 Theory of Knowledge, Epistemology and Metaphysics 27 Rationalism, Mathematics and Logic, Innateness 28 Innate Ideas 29 The a priori 30 Truth by convention, Hume and the Method of Doubt 31 Hume and the distinction between belief and knowledge 32 Hume and the definition of belief 33 Truth as a logical operator on sentences 34 The correspondence theory of truth 35 Wittgenstein: On Certainty 36 Wittgenstein and the coherence theory of truth 37 William James and Pragmatism 38 W.V.O. Quine, pragmatism and the Two Dogmas of Empiricism 39 Postivism and pragmatism 40 Pragmatism and utilitarianism 41 Pragmatism and religiion
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