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Ideas for 'A Priori', 'Essays on Intellectual Powers 1: Preliminary' and 'The General Theory of Employment'

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3 ideas

18. Thought / C. Content / 2. Ideas
Only philosophers treat ideas as objects [Reid]
     Full Idea: The vulgar allow that an 'idea' implies a mind that thinks, an act of mind which we call thinking, and an object about which we think. But the philosopher conceives a fourth - the idea, which is the immediate object. …I believe this to be a mere fiction.
     From: Thomas Reid (Essays on Intellectual Powers 1: Preliminary [1785], 1)
     A reaction: Another example, to add to Yablo's list, of abstract objects invented by philosophers to fill holes in their theories. This one is illuminating, because we all say 'I've got an idea'. Cf discussions of the redundancy of truth. Cf propositions.
18. Thought / D. Concepts / 2. Origin of Concepts / b. Empirical concepts
Aristotelian justification uses concepts abstracted from experience [Mares]
     Full Idea: Aristotelian justification is the process of reasoning using concepts that are abstracted from experience (rather than, say, concepts that are innate or those that we associate with the meanings of words).
     From: Edwin D. Mares (A Priori [2011], 08.1)
     A reaction: See Carrie Jenkins for a full theory along these lines (though she doesn't mention Aristotle). This is definitely my preferred view of concepts.
18. Thought / D. Concepts / 4. Structure of Concepts / c. Classical concepts
The essence of a concept is either its definition or its conceptual relations? [Mares]
     Full Idea: In the 'classical theory' a concept includes in it those concepts that define it. ...In the 'theory theory' view the content of a concept is determined by its relationship to other concepts.
     From: Edwin D. Mares (A Priori [2011], 03.10)
     A reaction: Neither of these seem to give an intrinsic account of a concept, or any account of how the whole business gets off the ground.