structure for 'Natural Theory'    |     alphabetical list of themes    |     expand these ideas

26. Natural Theory / B. Concepts of Nature / 5. Space-Time

[relative space and time, treated as one system]

15 ideas
Space and time are the order of all possibilities, and don't just relate to what is actual [Leibniz]
Space and time are purely relative [Leibniz]
If all empirical sensation of bodies is removed, space and time are still left [Kant]
Space alone, and time alone, will fade away, and only their union has an independent reality [Minkowski]
Mathematicians don't distinguish between instants of time and points on a line [Russell]
We can't think of space-time as empty and propertyless, and it seems to be a substratum [Martin,CB]
Relativity is as absolutist about space-time as Newton was about space [Coffa]
Time, as it appears in standard modern science, is bad verificationist metaphysics [Le Poidevin on Smith,Q]
Space is 3D and lacks a direction; time seems connected to causation [Sider]
Modern metaphysicians tend to think space-time points are more fundamental than space-time regions [Hawthorne]
The relational view of space-time doesn't cover times and places where things could be [Bird]
Spacetime may well be emergent, rather than basic [Ladyman/Ross]
If spacetime is substantial, what is the substance? [Ladyman/Ross]
Relativity makes time and space jointly basic; quantum theory splits them, and prioritises time [New Sci.]
Space-time may be a geometrical manifestation of quantum entanglement [New Sci.]