Combining Texts

All the ideas for 'Queries to the 'Opticks'', 'In Defence of Three-Dimensionalism' and 'Scattered Objects'

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8 ideas

9. Objects / B. Unity of Objects / 3. Unity Problems / a. Scattered objects

14961	Clearly a pipe can survive being taken apart [Cartwright,R]
	Full Idea: There is at the moment a pipe on my desk. Its stem has been removed but it remains a pipe for all that; otherwise no pipe could survive a thorough cleaning.
	From: Richard Cartwright (Scattered Objects [1974], p.175)
	A reaction: To say that the pipe survives dismantling is not to say that it is fully a pipe during its dismantled phase. He gives a further example of a book in two volumes.

14962	Bodies don't becomes scattered by losing small or minor parts [Cartwright,R]
	Full Idea: If a branch falls from a tree, the tree does not thereby become scattered, and a human body does not become scattered upon loss of a bit of fingernail.
	From: Richard Cartwright (Scattered Objects [1974], p.184)
	A reaction: This sort of observation draws me towards essentialism. A body is scattered if you divide it in a major way, but not if you separate off a minor part. It isn't just a matter of size, or even function. We have broader idea of what is essential.

9. Objects / E. Objects over Time / 3. Three-Dimensionalism

12295	3-D says things are stretched in space but not in time, and entire at a time but not at a location [Fine,K]
	Full Idea: Three-dimensionalist think a thing is somehow 'stretched out' through its location at a given time though not through the period during which it exists, and it is present in its entirety at a moment when it exists though not at a position of its location.
	From: Kit Fine (In Defence of Three-Dimensionalism [2006], p.1)
	A reaction: This definition is designed to set up Fine's defence of the 3-D view, by showing that various dubious asymmetries show up if you do not respect the distinctions offered by the 3-D view.

12298	Genuine motion, rather than variation of position, requires the 'entire presence' of the object [Fine,K]
	Full Idea: In order to have genuine motion, rather than mere variation in position, it is necessary that the object should be 'entirely present' at each moment of the change. Thus without entire presence, or existence, genuine motion will not be possible.
	From: Kit Fine (In Defence of Three-Dimensionalism [2006], p.6)
	A reaction: See Idea 4786 for a rival view of motion. Of course, who says we have to have Kit Fine's 'genuine' motion, if some sort of ersatz motion still gets you to work in the morning?

9. Objects / E. Objects over Time / 4. Four-Dimensionalism

12296	4-D says things are stretched in space and in time, and not entire at a time or at a location [Fine,K]
	Full Idea: Four-dimensionalists have thought that a material thing is as equally 'stretched out' in time as it is in space, and that there is no special way in which it is entirely present at a moment rather than at a position.
	From: Kit Fine (In Defence of Three-Dimensionalism [2006], p.1)
	A reaction: Compare his definition of 3-D in Idea 12295. The 4-D is contrary to our normal way of thinking. Since I don't think the future exists, I presume that if I am a 4-D object then I have to say that I don't yet exist, and I disapprove of such talk.

18882	You can ask when the wedding was, but not (usually) when the bride was [Fine,K, by Simons]
	Full Idea: Fine says it is acceptable to ask when a wedding was and where it was, and it is acceptable to ask or state where the bride was (at a certain time), but not when she was.
	From: report of Kit Fine (In Defence of Three-Dimensionalism [2006], p.18) by Peter Simons - Modes of Extension: comment on Fine p.18
	A reaction: This is aimed at three-dimensionalists who seem to think that a bride is a prolonged event, just as a wedding is. Fine is, interestingly, invoking ordinary language. When did the wedding start and end? When was the bride's birth and death?

9. Objects / E. Objects over Time / 5. Temporal Parts

12297	Three-dimensionalist can accept temporal parts, as things enduring only for an instant [Fine,K]
	Full Idea: Even if one is a three-dimensionalist, one might affirm the existence of temporal parts, on the grounds that everything merely endures for an instant.
	From: Kit Fine (In Defence of Three-Dimensionalism [2006], p.2)
	A reaction: This seems an important point, as belief in temporal parts is normally equated with four-dimensionalism (see Idea 12296). The idea is that a thing might be 'entirely present' at each instant, only to be replaced by a simulacrum.

26. Natural Theory / D. Laws of Nature / 1. Laws of Nature

16746	Principles of things are not hidden features of forms, but the laws by which they were formed [Newton]
	Full Idea: The (active) principles I consider not as occult qualities, supposed to result from the specific forms of things, but as general laws of nature, by which the things themselves are formed.
	From: Isaac Newton (Queries to the 'Opticks' [1721], q 31), quoted by Robert Pasnau - Metaphysical Themes 1274-1671 23.6
	A reaction: This is the external, 'imposed' view of laws (with the matter passive) at its most persuasive. If laws arise out the stuff (as I prefer to think), what principles went into the formulation of the stuff?