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All the ideas for 'Essays on Intellectual Powers: Conception', 'Reflections on my Critics' and 'Rights of Man'

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8 ideas

3. Truth / H. Deflationary Truth / 2. Deflationary Truth

12129	'Truth' may only apply within a theory [Kuhn]
	Full Idea: 'Truth' may, like 'proof', be a term with only intra-theoretic applications.
	From: Thomas S. Kuhn (Reflections on my Critics [1970], §5)
	A reaction: I think we can blame Tarski (via Quine, Kuhn's teacher) for this one. I take it to be an utter failure to grasp the meaning of the word 'truth' (and sneakily substituting 'satisfaction' for it). For a start, we have to compare theories on some basis.

9. Objects / D. Essence of Objects / 4. Essence as Definition

23647	Objects have an essential constitution, producing its qualities, which we are too ignorant to define [Reid]
	Full Idea: Individuals and objects have a real essence, or constitution of nature, from which all their qualities flow: but this essence our faculties do not comprehend. They are therefore incapable of definition.
	From: Thomas Reid (Essays on Intellectual Powers 4: Conception [1785], 1)
	A reaction: Aha - he's one of us! I prefer the phrase 'essential nature' of an object, which is understood, I think, by everyone. I especially like the last bit, directed at those who mistakenly think that Aristotle identified the essence with the definition.

10. Modality / D. Knowledge of Modality / 4. Conceivable as Possible / b. Conceivable but impossible

11958	Impossibilites are easily conceived in mathematics and geometry [Reid, by Molnar]
	Full Idea: Reid pointed out how easily conceivable mathematical and geometric impossibilities are.
	From: report of Thomas Reid (Essays on Intellectual Powers 4: Conception [1785], IV.III) by George Molnar - Powers 11.3
	A reaction: The defence would be that you have to really really conceive them, and the only way the impossible can be conceived is by blurring it at the crucial point, or by claiming to conceive more than you actually can

14. Science / B. Scientific Theories / 1. Scientific Theory

6809	Kuhn came to accept that all scientists agree on a particular set of values [Kuhn, by Bird]
	Full Idea: Kuhn later came to accept that there are five values to which scientists in all paradigms adhere: accuracy; consistency with accepted theories; broad scope; simplicity; and fruitfulness.
	From: report of Thomas S. Kuhn (Reflections on my Critics [1970]) by Alexander Bird - Philosophy of Science Ch.8
	A reaction: To shake off the relativism for which Kuhn is notorious, we should begin by asking the question WHY scientists favoured these particular values, rather than (say) bizarreness, consistency with Lewis Carroll, or alliteration. (They are epistemic virtues).

14. Science / B. Scientific Theories / 5. Commensurability

12128	In theory change, words shift their natural reference, so the theories are incommensurable [Kuhn]
	Full Idea: In transitions between theories words change their meanings or applicability. Though most of the signs are used before and after a revolution - force, mass, cell - the ways they attach to nature has changed. Successive theories are thus incommensurable.
	From: Thomas S. Kuhn (Reflections on my Critics [1970], §6)
	A reaction: A very nice statement of the view, from the horse's mouth. A great deal of recent philosophy has been implicitly concerned with meeting Kuhn's challenge, by providing an account of reference that doesn't have such problems.

19. Language / B. Reference / 1. Reference theories

23646	Reference is by name, or a term-plus-circumstance, or ostensively, or by description [Reid]
	Full Idea: An individual is expressed by a proper name, or by a general word joined to distinguishing circumstances; if unknown, it may be pointed out to the senses; when beyond the reach of the senses it may be picked out by an imperfect but true description.
	From: Thomas Reid (Essays on Intellectual Powers 4: Conception [1785], 1)
	A reaction: [compressed] If Putnam, Kripke and Donnellan had read this paragraph they could have save themselves a lot of work! I take reference to be the activity of speakers and writers, and these are the main tools of the trade.

19. Language / B. Reference / 3. Direct Reference / c. Social reference

23645	A word's meaning is the thing conceived, as fixed by linguistic experts [Reid]
	Full Idea: The meaning of a word (such as 'felony') is the thing conceived; and that meaning is the conception affixed to it by those who best understand the language.
	From: Thomas Reid (Essays on Intellectual Powers 4: Conception [1785], 1)
	A reaction: He means legal experts. This is precisely that same as Putnam's account of the meaning of 'elm tree'. His discussion here of reference is the earliest I have encountered, and it is good common sense (for which Reid is famous).

24. Political Theory / B. Nature of a State / 3. Constitutions

23261	A people, not government, creates a constitution, which is essential for legitimacy [Paine]
	Full Idea: A constitution is not the act of a government, but of a people constituting a government, and a government without a constitution is power without right.
	From: Thomas Paine (Rights of Man [1792], Ch.7), quoted by A.C. Grayling - The Good State 5
	A reaction: A constitution looks like the ultimate focus of a social contract (though Greeks had them long ago). It is hard to say why a government should consider itself to be sovereign if it hasn't got it in writing.