Combining Texts

All the ideas for 'Classical Cosmology (frags)', 'Commentary on 'Physics'' and 'Identity through Possible Worlds'

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4 ideas

7. Existence / A. Nature of Existence / 3. Being / e. Being and nothing

16587	Prime matter is halfway between non-existence and existence [Averroes]
	Full Idea: Prime matter falls halfway, as it were, between complete non-existence and actual existence.
	From: Averroes (Ibn Rushd) (Commentary on 'Physics' [1190], I.70), quoted by Robert Pasnau - Metaphysical Themes 1274-1671 03.1

9. Objects / D. Essence of Objects / 14. Knowledge of Essences

11966	If there are essential properties, how do you find out what they are? [Chisholm]
	Full Idea: It seems to me that if Adam does have essential properties, there is no procedure at all for finding out what they are.
	From: Roderick Chisholm (Identity through Possible Worlds [1967], p.85)
	A reaction: My tentative suggestion is that the essential properties are those which explain the nature, power, function and role of Adam in the 'actual' world. Whatever possibilities he acquires, he had better retain the capacity to be the First Man.

10. Modality / E. Possible worlds / 3. Transworld Objects / a. Transworld identity

11965	Could possible Adam gradually transform into Noah, and vice versa? [Chisholm]
	Full Idea: If Adam lived for 931 years in a possible world, instead of his actual 930 years, ..then Adam and Noah could gradually exchange their ages and other properties...and we could trace Adam in a world back to the actual Noah, and vice versa.
	From: Roderick Chisholm (Identity through Possible Worlds [1967], p.81-2)
	A reaction: [very compressed] Chisholm was one of the first to raise this problem for possible worlds, though it had been Quine's objection to modal logic all along. Only Adam having essential properties seems to stop this slippery slope, says Chisholm.

27. Natural Reality / E. Cosmology / 1. Cosmology

5994	Is the cosmos open or closed, mechanical or teleological, alive or inanimate, and created or eternal? [Robinson,TM, by PG]
	Full Idea: The four major disputes in classical cosmology were whether the cosmos is 'open' or 'closed', whether it is explained mechanistically or teleologically, whether it is alive or mere matter, and whether or not it has a beginning.
	From: report of T.M. Robinson (Classical Cosmology (frags) [1997]) by PG - Db (ideas)
	A reaction: A nice summary. The standard modern view is closed, mechanistic, inanimate and non-eternal. But philosophers can ask deeper questions than physicists, and I say we are entitled to speculate when the evidence runs out.