Combining Texts
Ideas for
'The Fixation of Belief', 'Phaedrus' and 'The Principles of Mathematics'
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5 ideas
8. Modes of Existence / A. Relations / 1. Nature of Relations
21341
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Philosophers of logic and maths insisted that a vocabulary of relations was essential [Russell, by Heil]
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8. Modes of Existence / A. Relations / 4. Formal Relations / a. Types of relation
10586
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'Reflexiveness' holds between a term and itself, and cannot be inferred from symmetry and transitiveness [Russell]
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8. Modes of Existence / A. Relations / 4. Formal Relations / b. Equivalence relation
10585
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Symmetrical and transitive relations are formally like equality [Russell]
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8. Modes of Existence / D. Universals / 2. Need for Universals
153
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It takes a person to understand, by using universals, and by using reason to create a unity out of sense-impressions [Plato]
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8. Modes of Existence / D. Universals / 6. Platonic Forms / a. Platonic Forms
154
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We would have an overpowering love of knowledge if we had a pure idea of it - as with the other Forms [Plato]
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