Combining Texts

All the ideas for 'fragments/reports', 'The Metaphysics of Space-Time Substantivalism' and 'Letters to Descartes'

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4 ideas

15. Nature of Minds / A. Nature of Mind / 1. Mind / d. Location of mind

5987	Alcmaeon was the first to say the brain is central to thinking [Alcmaeon, by Staden, von]
	Full Idea: Alcmaeon apparently was the first Greek to assign central cognitive and biological functions to the brain.
	From: report of Alcmaeon (fragments/reports [c.490 BCE]) by Heinrich von Staden - Alcmaeon
	A reaction: The name of Alcmaeon should be remembered with honour. This was 200 years before Aristotle, who still hadn't worked it out. I presume Alcmaeon inferred the truth from head injuries, which is overwhelming evidence, if you notice it.

17. Mind and Body / A. Mind-Body Dualism / 8. Dualism of Mind Critique

23222	A soul with physical extension is more likely than an immaterial soul that moves bodies [Elizabeth]
	Full Idea: I would find it easier to concede matter and extension to the soul than to concede that an immaterial thing could move and be moved by a body.
	From: Elizabeth, Princess of Bohemia (Letters to Descartes [1643], p.42), quoted by Matthew Cobb - The Idea of the Brain 2
	A reaction: Very nicely expressed! I'm trying to imagine a ghost which finds itself stuck with a physical body which it has to drag around like a reluctant dog. She is stating the classic interaction problem which plagues all mind-body dualism.

27. Natural Reality / C. Space / 4. Substantival Space

19035	General Relativity allows substantivalism about space-time - that it has independent properties [Hoefer]
	Full Idea: General Relativity describes space-time in a way that allows it to exist with determinate properties not reducible to the properties and relations of its material contents. Hence nearly all physicists and philosophers writing on GR are substantivalists.
	From: Carl Hoefer (The Metaphysics of Space-Time Substantivalism [1996], p.5), quoted by Barbara Vetter - Potentiality 7.3
	A reaction: I'm encouraged by this, as I instinctly favour substantivalism. Imagine removing all the objects from space-time, one by one. What happens as you approach the end of the task? Once they are removed, can they be replaced?

29. Religion / D. Religious Issues / 2. Immortality / b. Soul

24043	Soul must be immortal, since it continually moves, like the heavens [Alcmaeon, by Aristotle]
	Full Idea: Alcmaeon says that the soul is immortal because it resembles immortal things and that this affection belongs to it because it is always in movement, like divine things, such the moon, the sun, the stars and the whole heaven.
	From: report of Alcmaeon (fragments/reports [c.490 BCE], DK 24) by Aristotle - De Anima 405a30
	A reaction: Hm. Fish and rivers seem to be continually moving too. Presumably we are like gods, but then Greek gods seem awfully like humans. I don't know the history of belief in immortality; an interesting topic.