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Ideas for 'Mahaprajnaparamitashastra', 'Essay Conc Human Understanding (2nd Ed)' and 'Remarks on axiomatised set theory'

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29 ideas

12. Knowledge Sources / A. A Priori Knowledge / 3. Innate Knowledge / a. Innate knowledge
Innate ideas are trivial (if they are just potentials) or absurd (if they claim infants know a lot) [Locke, by Jolley]
     Full Idea: Locke says the doctrine of innate ideas is either reduced to triviality (that we have the potential to acquire knowledge and concepts, which makes all ideas innate), or to the absurd thesis that new-born children know logic, maths and metaphysics.
     From: report of John Locke (Essay Conc Human Understanding (2nd Ed) [1694], 1) by Nicholas Jolley - Leibniz Ch.4
     A reaction: A very effective attack. The defence would have to be the claim that there is no way for certain ideas to have entered the mind (because they are too basic, or too abstract, or too huge), so they could only arise from within the mind.
If the only test of innateness is knowing, then all of our knowledge is innate [Locke]
     Full Idea: If the capacity of knowing be the natural Impression contended for, all the Truths a man ever comes to know, will, by this Account, be, every one of them, innate.
     From: John Locke (Essay Conc Human Understanding (2nd Ed) [1694], 1.02.05)
     A reaction: It seems to be a nice empiricist's question, what experience involved in thinking an idea gives a hallmark that it is innate rather than acquired? Perhaps only 'I couldn't have thought of that myself', as Descartes says of several ideas.
A proposition can't be in the mind if we aren't conscious of it [Locke]
     Full Idea: No proposition can be said to be in the mind, which it never yet knew, which it was never yet conscious of.
     From: John Locke (Essay Conc Human Understanding (2nd Ed) [1694], 1.02.05)
     A reaction: This raises an interesting question. If we believe in the influence of the unconscious, we will have to talk of unconscious beliefs which affect our behaviour. We certainly all have beliefs of which we are not conscious. "Elvis had two feet".
Innate ideas were followed up with innate doctrines, which stopped reasoning and made social control possible [Locke]
     Full Idea: Once innate ideas were established, it was necessary for their followers to receive some doctrines as such, to put them off using their own reason, so that they might be more easily governed.
     From: John Locke (Essay Conc Human Understanding (2nd Ed) [1694], 1.03.25?), quoted by Charles Taylor - Sources of the Self §9.1
     A reaction: Presumably anti-Catholic, though it sounds Marxist. It is hard to challenge innate ideas, but it is hard to challenge Hume's 'natural beliefs'.
12. Knowledge Sources / A. A Priori Knowledge / 3. Innate Knowledge / c. Tabula rasa
The senses first let in particular ideas, which furnish the empty cabinet [Locke]
     Full Idea: The senses at first let in particular ideas, and furnish the yet empty cabinet.
     From: John Locke (Essay Conc Human Understanding (2nd Ed) [1694], 1.02.15)
     A reaction: A nice image of Locke's famous claim that the mind is a 'tabula rasa' (blank page). The obvious objection is that a totally empty cabinet would not organise or make sense of or respond to the sense experiences that entered it. Kant spelled this out.
The mind is white paper, with no writing, or ideas [Locke]
     Full Idea: Let us suppose the mind to be, as we say, white paper, void of all characters, without any ideas.
     From: John Locke (Essay Conc Human Understanding (2nd Ed) [1694], 2.01.02)
     A reaction: This is normally referred to as Locke's 'tabula rasa' idea, and is his denial of the existence of innate ideas. It is generally thought to be absurd, but note that he only 'supposes' it, presumably as a theoretical strategy, to investigate empiricism.
The mind is a blank page, on which only experience can write [Locke]
     Full Idea: Let us then suppose the Mind to be, as we say, white Paper, void of all characters, without any Ideas; How comes it to be furnished? ..To this I answer, in one word, from Experience.
     From: John Locke (Essay Conc Human Understanding (2nd Ed) [1694], 2.01.02)
     A reaction: The simple objection is that minds could make nothing of their experience if they were totally blank. But if we add principles of association, we might still say that there are no actual ideas imprinted in the original mind, only functions or faculties.
12. Knowledge Sources / A. A Priori Knowledge / 10. A Priori as Subjective
The mind cannot produce simple ideas [Locke]
     Full Idea: The mind has no power to produce any simple idea.
     From: John Locke (Essay Conc Human Understanding (2nd Ed) [1694], 2.31.02)
     A reaction: These must all come from experience, implying to common empirical view (spelled out better by Hume) that that a priori concerns only combinations of ideas which we already possess. The 'conceptual' notion of a priori is consistent with this.
12. Knowledge Sources / B. Perception / 2. Qualities in Perception / a. Qualities in perception
A 'quality' is a power to produce an idea in our minds [Locke]
     Full Idea: The power to produce any idea in our mind I call 'quality' of the subject wherein that power is.
     From: John Locke (Essay Conc Human Understanding (2nd Ed) [1694], 2.08.08)
     A reaction: This strikes me as much the most accurate way to think of properties, but then I accept Locke's distinction between primary and secondary properties. Red is a property of brains, not of tomatoes. Tomatoes have power to cause this property.
12. Knowledge Sources / B. Perception / 2. Qualities in Perception / b. Primary/secondary
Hands can report conflicting temperatures, but not conflicting shapes [Locke]
     Full Idea: The same water may produce the idea of cold by one hand and of heat by the other; ...but figure never produces the idea of a square by one hand which has produced the idea of a globe by the other.
     From: John Locke (Essay Conc Human Understanding (2nd Ed) [1694], 2.08.21)
     A reaction: I find this to be a thoroughly convincing argument in favour of the primary/secondary distinction, despite the later objects of Berkeley, Hume and Kant. One might add colour blind people reporting differently from the rest of us.
We can't know how primary and secondary qualities connect together [Locke]
     Full Idea: There is no discoverable connection between any secondary quality, and those primary qualities that it depends on.
     From: John Locke (Essay Conc Human Understanding (2nd Ed) [1694], 4.03.12)
     A reaction: I take this to be an accurate account of the problem, and it pinpoints what may be the single most recalcitrant mystery facing human understanding - why do red things look RED?
Colours, smells and tastes are ideas; the secondary qualities have no colour, smell or taste [Locke, by Alexander,P]
     Full Idea: If I am right, colours, tastes, odours and sounds are not, for Locke secondary qualities but ideas; secondary qualities are colourless, tasteless, odourless and soundless textures of bodies.
     From: report of John Locke (Essay Conc Human Understanding (2nd Ed) [1694]) by Peter Alexander - Ideas, Qualities and Corpuscles 8
     A reaction: This the concise summary of Alexander's reading of Locke, and I find him wholly convincing.
Secondary qualities are powers of complex primary qualities to produce sensations in us [Locke]
     Full Idea: Such qualities, which are nothing in objects but powers to produce various sensations in us by their primary qualities i.e. by the bulk, figure, texture, and motion of their sensible parts, as colours, sounds, tastes etc. These I call secondary qualities.
     From: John Locke (Essay Conc Human Understanding (2nd Ed) [1694], 2.08.10)
     A reaction: Alexander emphasises that secondary qualities are in objects. It is the ideas (here 'sensations') which are in us. This quotation shows that secondary qualities are not identical with 'textures' (which are complex primary qualities), but are 'powers'.
12. Knowledge Sources / B. Perception / 2. Qualities in Perception / c. Primary qualities
Locke believes matter is an inert, senseless substance, with extension, figure and motion [Locke, by Berkeley]
     Full Idea: Some thinkers (e.g. Locke) understand by matter an inert, senseless substance, in which extension, figure and motion do actually subsist.
     From: report of John Locke (Essay Conc Human Understanding (2nd Ed) [1694]) by George Berkeley - The Principles of Human Knowledge §9
     A reaction: Berkeley, of course, goes on to reject this. Personally I agree with Locke, because I am a realist, and I think the seventeenth century distinction between primary and secondary qualities is a key contribution to human understanding.
Qualities are named as primary if they are needed for scientific explanation [Locke, by Alexander,P]
     Full Idea: In Locke, the needs of scientific explanation are what determine which qualities are to be taken as primary.
     From: report of John Locke (Essay Conc Human Understanding (2nd Ed) [1694]) by Peter Alexander - Ideas, Qualities and Corpuscles 6
     A reaction: Not a sharp distinction, but interesting. It must concern 'objective' explanations to cut out the secondary qualities.
Primary qualities produce simple ideas, such as solidity, extension, motion and number [Locke]
     Full Idea: The original or 'primary' qualities of body produce simple ideas in us, viz. solidity, extension, figure, motion or rest, and number.
     From: John Locke (Essay Conc Human Understanding (2nd Ed) [1694], 2.08.09)
     A reaction: The tricky word here is 'simple', which clearly won't be enough on its own to distinguish primary from secondary qualities. Notice that there is a germ of an empirical theory of arithmetic in the word 'number'.
Ideas of primary qualities resemble their objects, but those of secondary qualities don't [Locke]
     Full Idea: The ideas of primary qualities of bodies are resemblances of them, and their pattern do really exist in the bodies themselves; but the ideas produced in us by secondary qualities have no resemblance to them at all.
     From: John Locke (Essay Conc Human Understanding (2nd Ed) [1694], 2.08.15)
     A reaction: I think this is exactly right. More that one sense can reinforce a primary quality, because there is a 'pattern' to be detected in various ways. That things look square is explained by their squareness; things looking red is just very weird.
In Locke, the primary qualities are also powers [Locke, by Heil]
     Full Idea: Readers of Locke have been wrong to imagine that primary qualities are not themselves powers.
     From: report of John Locke (Essay Conc Human Understanding (2nd Ed) [1694], 2.08.15) by John Heil - From an Ontological Point of View 17.2
     A reaction: This is part of the move to connect Locke with modern essentialism about natural laws. If a disposition is a power, then clearly being hard or square will affect the dispositions, and hence be a power. Secondary qualities result from powers.
12. Knowledge Sources / B. Perception / 2. Qualities in Perception / d. Secondary qualities
In my view Locke's 'textures' are groups of corpuscles which are powers (rather than 'having' powers) [Locke, by Alexander,P]
     Full Idea: I take the unorthodox view that Locke uses the word 'texture' for the pattern of corpuscles in a group and regards the power of a body to affect our senses or another body as identical with this textures, so that powers are intrinsic properties of bodies.
     From: report of John Locke (Essay Conc Human Understanding (2nd Ed) [1694]) by Peter Alexander - Ideas, Qualities and Corpuscles 5.2
     A reaction: The disagreement is whether the textures 'have' the powers (the orthodox view), or whether they 'are' the powers (Alexander's view). To counter Idea 15971, Alexander quotes Idea 15974. He says 'a secondary quality is a texture' (121).
I suspect that Locke did not actually believe colours are 'in the mind' [Locke, by Heil]
     Full Idea: I make no claim to being a Locke scholar, but I suspect that the position often associated with Locke - that colours are 'in the mind' - flies in the face of Locke's considered view.
     From: report of John Locke (Essay Conc Human Understanding (2nd Ed) [1694], 2.08.15) by John Heil - From an Ontological Point of View 17.3
     A reaction: A glance at Locke gives the impression that he thought secondary qualities were really 'ideas', which would presumably be in the mind. Heil is hoping that Locke will agree with his own view. Further study will be required...
Secondary qualities are simply the bare powers of an object [Locke]
     Full Idea: Secondary qualities, as has been shown, are nothing but bare powers.
     From: John Locke (Essay Conc Human Understanding (2nd Ed) [1694], 2.23.08)
     A reaction: I'm not sure here whether 'bare' means 'simple' or 'unconcealed' - probably the latter. This supports Alexander's claim that the secondary qualities are identical to the 'textures' of the object. They certainly aren't in the mind.
12. Knowledge Sources / B. Perception / 6. Inference in Perception
Molyneux's Question: could a blind man distinguish cube from sphere, if he regained his sight? [Locke]
     Full Idea: Mr Molyneux's Question: a blind man, taught by touch to distinguish between a cube and a sphere of the same metal and same bigness. Suppose the cube and sphere placed on a table, and the man made to see - could he distinguish them?
     From: John Locke (Essay Conc Human Understanding (2nd Ed) [1694], 2.09.08)
     A reaction: Both Molyneux and Locke agree that the answer is 'no', because he won't yet have learned to associate the new experiences with the old shapes. [Gareth Evans wrote on this question]
12. Knowledge Sources / D. Empiricism / 1. Empiricism
All the ideas written on the white paper of the mind can only come from one place - experience [Locke]
     Full Idea: Let us suppose the mind to be, as we say, white paper, void of all characters, without any ideas. How comes it to be furnished? Whence has it all the materials of reason and knowledge? To this I answer, in one word, from Experience.
     From: John Locke (Essay Conc Human Understanding (2nd Ed) [1694], 2.01.02)
     A reaction: In the face of Kant's wonderfully rich account of the mind, this simple empiricism seems to be horribly naïve, but it could be defended by saying that all the other paraphernalia of the mind (associations, categories etc) are not in any way ideas.
12. Knowledge Sources / D. Empiricism / 2. Associationism
Some ideas connect together naturally, while others connect by chance or custom [Locke]
     Full Idea: Some of our ideas have a natural correspondence and connexion one with another. ...Besides this there is another connexion of ideas wholly owing to chance or custom.
     From: John Locke (Essay Conc Human Understanding (2nd Ed) [1694], 2.33.05)
     A reaction: This strikes me as a more promising account of associations that the one offered by Hume, since Locke distinguishes the associations that seem somehow right and natural from those that seem merely conventional.
The constant link between whiteness and things that produce it is the basis of our knowledge [Locke]
     Full Idea: The idea of whiteness or bitterness, as it is in the mind, exactly answering that power which is in any body to produce it, has all the real conformity it can, or ought to have, with things without us. This conformity is sufficient for real knowledge.
     From: John Locke (Essay Conc Human Understanding (2nd Ed) [1694], 4.04.05)
     A reaction: I take this to say that consistent covariation with certain things in the world is the best criterion we can find for our knowledge of secondary, and hence primary, qualities. Why they two covary is beyond our ken. Sounds right.
Knowledge is just the connection or disagreement of our ideas [Locke]
     Full Idea: Knowledge seems to me to be nothing but the perception of the connexion and agreement, or disagreement and repugnancy of any of our ideas.
     From: John Locke (Essay Conc Human Understanding (2nd Ed) [1694], 4.01.02)
12. Knowledge Sources / D. Empiricism / 4. Pro-Empiricism
The absolute boundaries of our thought are the ideas we get from senses and the mind [Locke]
     Full Idea: The simple ideas we receive from sensation and reflection are the boundaries of our thoughts; beyond which the mind, whatever efforts it would make, is not able to advance one jot.
     From: John Locke (Essay Conc Human Understanding (2nd Ed) [1694], 2.23.29), quoted by Robert Pasnau - Metaphysical Themes 1274-1671 09.3
     A reaction: My view is that this is wrong, simply because it takes no account of inference to the best explanation. We reach the boundaries of experience, and then we think about it, and penetrate beyond. His 'reflection' doesn't seem to mean that.
12. Knowledge Sources / D. Empiricism / 5. Empiricism Critique
It is unclear how identity, equality, perfection, God, power and cause derive from experience [Locke, by Dancy,J]
     Full Idea: Locke tried to show how all ideas were derived from experience by examining cases, but it was an uphill struggle; difficult cases include the ideas of identity, equality, perfection, God, power and cause.
     From: report of John Locke (Essay Conc Human Understanding (2nd Ed) [1694]) by Jonathan Dancy - Intro to Contemporary Epistemology 14.2
12. Knowledge Sources / E. Direct Knowledge / 2. Intuition
Intuition gives us direct and certain knowledge of what is obvious [Locke]
     Full Idea: There is intuitive knowledge when the mind perceives the truth as the eye doth light (white is not black, the circle is not a triangle). This knowledge is the clearest and most certain...on this depends the certainty and evidence of all knowledge.
     From: John Locke (Essay Conc Human Understanding (2nd Ed) [1694], 4.02.01)
     A reaction: Locke is different because he doesn't just talk of intuition, but of intuitive 'knowledge'. He has the standard problems of discriminating between good and bad intuitions, weak and strong, yours versus mine. Compare Russell's 'knowledge by acquaintance'.