Knowledge and justification
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Universals, Forms
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As already indicated, Russell appears to affirm empiricism when he says that we have acquaintance with sense-data, and this can provide the basis for truth. On the other hand, he later advances the view that we are also acquainted with objects that are not sense-data, which he calls universals: "We speak of whatever is given in sensation, or is of the same nature as things given in sensation, as a particular; by opposition to this, a universal will be anything which may be shared by many particulars, and has those characteristics which … distinguish justice and whiteness from just acts and white things." If universals exist then they do not exist in space and time. They are non-temporal, non-spatial entities. We call such entities abstract entities. Hence, Rusell (and most especially Plato before him) maintain that we are directly acquainted with an abstract reality, composed of universals. This is another way of saying that the mind is equipped with a power of direct intuition (acquaintance) that is separate from the five external senses. We will consider universals and whether we are indeed acquainted with them at more length on another occasion. Here we cite universals as a further candidate for objects that may be known by direct acquaintance. Rationalists generally maintain that there are universals, and Plato, the founder of Rationalism, used his arguments in favour of the existence of universals (which he called Forms ) as the basis of his attempt to refute empiricism.
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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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