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Single Idea 18970

[filed under theme 27. Natural Reality / C. Space / 3. Points in Space ]

Full Idea

Unless we are prepared to believe that absolute position makes sense, the very idea of a point as an entity in its own right must be rejected as not merely mysterious but absurd.

Gist of Idea

The concept of a 'point' makes no sense without the idea of absolute position

Source

Willard Quine (Propositional Objects [1965], p.149)

Book Ref

Quine,Willard: 'Ontological Relativity and Other Essays' [Columbia 1969], p.149


A Reaction

The fact that without absolute position we can only think of 'points' as relative to a conceptual grid doesn't stop the grid from picking out actual locations in space, as shown by latitude and longitude.


The 13 ideas with the same theme [minimal units that make up space]:

Cantor proved that three dimensions have the same number of points as one dimension [Cantor, by Clegg]
Whitehead replaced points with extended regions [Whitehead, by Quine]
Space is the extension of 'point', and aggregates of points seem necessary for geometry [Russell]
The concept of a 'point' makes no sense without the idea of absolute position [Quine]
The natural conception of points ducks the problem of naming or constructing each point [Kreisel]
We should regard space as made up of many tiny pieces [Feynman, by Mares]
Why should the limit of measurement be points, not intervals? [Dummett]
Rationalists see points as fundamental, but empiricists prefer regions [Benardete,JA]
We can identify unoccupied points in space, so they must exist [Le Poidevin]
If spatial points exist, then they must be stationary, by definition [Le Poidevin]
Points are limits of parts of space, so parts of space cannot be aggregates of them [Lowe]
Surfaces, lines and points are not, strictly speaking, parts of space, but 'limits', which are abstract [Lowe]
Maybe space has points, but processes always need regions with a size [Mares]