Combining Philosophers
Ideas for Peter Geach, Gottfried Leibniz and James Rachels
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27 ideas
18. Thought / A. Modes of Thought / 3. Emotions / c. Role of emotions
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19415
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Passions reside in confused perceptions [Leibniz]
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18. Thought / A. Modes of Thought / 3. Emotions / f. Emotion and reason
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12935
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Every feeling is the perception of a truth [Leibniz]
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18. Thought / C. Content / 2. Ideas
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19423
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By an 'idea' I mean not an actual thought, but the resources we can draw on to think [Leibniz]
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19427
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True ideas represent what is possible; false ideas represent contradictions [Leibniz]
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12938
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An idea is an independent inner object, which expresses the qualities of things [Leibniz]
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12950
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We must distinguish images from exact defined ideas [Leibniz]
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12945
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Thoughts correspond to sensations, but ideas are independent of thoughts [Leibniz]
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19357
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The idea of green seems simple, but it must be compounded of the ideas of blue and yellow [Leibniz]
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18. Thought / C. Content / 6. Broad Content
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12995
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The name 'gold' means what we know of gold, and also further facts about it which only others know [Leibniz]
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12807
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The word 'gold' means a hidden constitution known to experts, and not just its appearances [Leibniz]
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18. Thought / D. Concepts / 1. Concepts / a. Nature of concepts
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12911
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Concepts are what unite a proposition [Leibniz]
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18. Thought / D. Concepts / 2. Origin of Concepts / a. Origin of concepts
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8781
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The mind does not lift concepts from experience; it creates them, and then applies them [Geach]
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19372
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Concepts are ordered, and show eternal possibilities, deriving from God [Leibniz, by Arthur,R]
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18. Thought / D. Concepts / 3. Ontology of Concepts / a. Concepts as representations
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11873
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Our notions may be formed from concepts, but concepts are formed from things [Leibniz]
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18. Thought / D. Concepts / 3. Ontology of Concepts / b. Concepts as abilities
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10731
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For abstractionists, concepts are capacities to recognise recurrent features of the world [Geach]
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18. Thought / D. Concepts / 5. Concepts and Language / c. Concepts without language
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8769
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If someone has aphasia but can still play chess, they clearly have concepts [Geach]
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18. Thought / E. Abstraction / 3. Abstracta by Ignoring
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13186
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Universals are just abstractions by concealing some of the circumstances [Leibniz]
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8770
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'Abstractionism' is acquiring a concept by picking out one experience amongst a group [Geach]
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18. Thought / E. Abstraction / 8. Abstractionism Critique
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8771
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'Or' and 'not' are not to be found in the sensible world, or even in the world of inner experience [Geach]
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8772
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We can't acquire number-concepts by extracting the number from the things being counted [Geach]
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8773
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Abstractionists can't explain counting, because it must precede experience of objects [Geach]
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8774
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The numbers don't exist in nature, so they cannot have been abstracted from there into our languages [Geach]
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8778
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Blind people can use colour words like 'red' perfectly intelligently [Geach]
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8777
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If 'black' and 'cat' can be used in the absence of such objects, how can such usage be abstracted? [Geach]
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8779
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We can form two different abstract concepts that apply to a single unified experience [Geach]
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10733
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The abstractionist cannot explain 'some' and 'not' [Geach]
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10734
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Only a judgement can distinguish 'striking' from 'being struck' [Geach]
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