Combining Philosophers
Ideas for Peter Geach, Gottfried Leibniz and Steven Weinberg
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7 ideas
15. Nature of Minds / C. Capacities of Minds / 3. Abstraction by mind
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A big flea is a small animal, so 'big' and 'small' cannot be acquired by abstraction [Geach]
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We cannot learn relations by abstraction, because their converse must be learned too [Geach]
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15. Nature of Minds / C. Capacities of Minds / 5. Generalisation by mind
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Abstraction attends to the general, not the particular, and involves universal truths [Leibniz]
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If concepts are just recognitional, then general judgements would be impossible [Geach]
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15. Nature of Minds / C. Capacities of Minds / 10. Conatus/Striving
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Active force is not just potential for action, since it involves a real effort or striving [Leibniz]
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Volition automatically endeavours to move towards what it sees as good (and away from bad) [Leibniz]
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Primitive forces are internal strivings of substances, acting according to their internal laws [Leibniz]
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