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20653
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Six reduction levels: groups, lives, cells, molecules, atoms, particles [Putnam/Oppenheim, by Watson]
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Full Idea:
There are six 'reductive levels' in science: social groups, (multicellular) living things, cells, molecules, atoms, and elementary particles.
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From:
report of H.Putnam/P.Oppenheim (Unity of Science as a Working Hypothesis [1958]) by Peter Watson - Convergence 10 'Intro'
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A reaction:
I have the impression that fields are seen as more fundamental that elementary particles. What is the status of the 'laws' that are supposed to govern these things? What is the status of space and time within this picture?
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8954
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Geometrical circles cannot identify a circular paint patch, presumably because they lack something [Szabó]
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Full Idea:
The vocabulary of geometry is sufficient to identify the circle, but could not be used to identify any circular paint patch. The reason must be that the circle lacks certain properties that can distinguish paint patches from one another.
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From:
Zoltán Gendler Szabó (Nominalism [2003], 2.2)
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A reaction:
I take this to be support for the traditional view, that abstractions are created by omitting some of the properties of physical objects. I take them to be fictional creations, reified by language, and not actual hidden entities that have been observed.
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8955
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Abstractions are imperceptible, non-causal, and non-spatiotemporal (the third explaining the others) [Szabó]
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Full Idea:
In current discussions, abstract entities are usually distinguished as 1) in principle imperceptible, 2) incapable of causal interaction, 3) not located in space-time. The first is often explained by the second, which is in turn explained by the third.
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From:
Zoltán Gendler Szabó (Nominalism [2003], 2.2)
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A reaction:
Szabó concludes by offering 3 as the sole criterion of abstraction. As Lewis points out, the Way of Negation for defining abstracta doesn't tell us very much. Courage may be non-spatiotemporal, but what about Alexander the Great's courage?
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22602
|
Over several centuries a set of eight main liberal values was established [Dunt]
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Full Idea:
Over the centuries liberal values were established: freedom of the individual, reason, consent in government, individual rights, the separation of powers, protection of minorities, autonomy, and moderation.
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From:
Ian Dunt (How to be a Liberal [2020], 13)
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A reaction:
What's not to like? 'Moderation' might be a sticking point, for anyone who thinks that very large social changes are needed.
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22596
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No government, or the whole nation, can control an individual beyond legitimate scope [Dunt]
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Full Idea:
When a government of any sort puts a threatening hand on that part of individual life beyond its proper scope, …even if it were the whole nation, except for the man it is harassing, it would be no more legitimate for that.
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From:
Ian Dunt (How to be a Liberal [2020]), quoted by Ian Dunt - How to be a Liberal 4
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A reaction:
The obvious question is what counts as 'proper scope' - and who gets to define it? If the individual can define that, then criminals can appeal to this principle. The state must be persuaded of it, then asked to stick to it during conflicts.
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22603
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Laissez-faire liberalism failed to give people the protections and freedoms needed for a good life [Dunt]
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Full Idea:
Laissez-faire liberalism failed, because it did not offer people protections and real freedom - against discrimination, insecure work, educational disadvantage, lack of social respect, absence of representation. It was cold, distant, and ineffective.
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From:
Ian Dunt (How to be a Liberal [2020], 13)
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A reaction:
A very nice summary, which I take to be correct.
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