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All the ideas for 'Natural Kinds and Biological Realism', 'talk' and 'On 'The Beginning of Philosophy''

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5 ideas

1. Philosophy / D. Nature of Philosophy / 3. Philosophy Defined

19456	Philosophy is distinguished from other sciences by its complete lack of presuppositions [Feuerbach]
	Full Idea: Philosophy does not presuppose anything. It is precisely in this fact of non-presupposition that its beginning lies - a beginning by virtue of which it is set apart from all the other sciences.
	From: Ludwig Feuerbach (On 'The Beginning of Philosophy' [1841], p.135)
	A reaction: Most modern philosophers seem to laugh at such an idea, because everything is theory-laden, culture-laden, language-laden etc. As an aspiration I love it, and think good philosophers get quite close to the goal (which, I admit, is not fully attainable).

17. Mind and Body / E. Mind as Physical / 2. Reduction of Mind

4688	We imagine small and large objects scaled to the same size, suggesting a fixed capacity for imagination [Lavers]
	Full Idea: If we think of a pea, and then of the Eiffel Tower, they seem to occupy the same space in our consciousness, suggesting that we scale our images to fit the available hardware, just as computer imagery is limited by the screen and memory available.
	From: Michael Lavers (talk [2003]), quoted by PG - Db (ideas)
	A reaction: Nice point. It is especially good because it reinforces a physicalist view of the mind from introspection, where most other evidence is external observation of brains (as Nietzsche reinforces determinism by introspection).

26. Natural Theory / B. Natural Kinds / 1. Natural Kinds

17371	Some kinds are very explanatory, but others less so, and some not at all [Devitt]
	Full Idea: Explanatory significance, hence naturalness, comes in degrees: positing some kinds may be very explanatory, positing others, only a little bit explanatory, positing others still, not explanatory at all.
	From: Michael Devitt (Natural Kinds and Biological Realism [2009], 4)
	A reaction: He mentions 'cousin' as a natural kind that is not very explanatory of anything. It interests us as humans, but not at all in other animals, it seems. ...Nice thought, though, that two squirrels might be cousins...

27. Natural Reality / G. Biology / 5. Species

17372	The higher categories are not natural kinds, so the Linnaean hierarchy should be given up [Devitt]
	Full Idea: The signs are that the higher categories are not natural kinds and so the Linnaean hierarchy must be abandoned. ...This is not abandoning a hierarchy altogether, it is not abandoning a tree of life.
	From: Michael Devitt (Natural Kinds and Biological Realism [2009], 6)
	A reaction: Devitt's underlying point is that the higher and more general kinds do not have an essence (a specific nature), which is the qualification to be a natural kind. They explain nothing. Essence is the hallmark of natural kinds. Hmmm.

17373	Species pluralism says there are several good accounts of what a species is [Devitt]
	Full Idea: Species pluralism is the view that there are several equally good accounts of what it is to be a species.
	From: Michael Devitt (Natural Kinds and Biological Realism [2009], 7)
	A reaction: Devitt votes for it, and cites Dupré, among many other. Given the existence of rival accounts, all making good points, it is hard to resist this view.