Project Gutenberg #77427
The Analysis of Matter
Bertrand Russell
1927Russell's philosophical treatment of physics and matter, prepared section by section from Project Gutenberg HTML.
Project Gutenberg #77427 Public domain in the United States Cover source Local typographic cover created for MojiMori from public-domain source metadata
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[43] On this subject, cf. chap. IV. of Dr Broad's Perception, Physics, and Reality, Cambridge, 1914.
[44] Perhaps it would not really be lawless; I shall discuss this at a later stage.
[45] On this subject, cf. my Knowledge of the External World.
[46] See Dr Whitehead's tract on this subject (Cambridge University Press). Also Pasch, Neuere Geometrie, Leipzig, 1882.
[47] The definition of an "ideal" point is as follows. Let , be any two lines in one plane, any point not in this plane. Then the planes , have a line in common, say . The class of all such lines as , when is varied while and remain fixed, is the "ideal" point determined by the two lines , .
[48] The character of the "ideal" elements, also, will be less similar to that of percepts than in the above construction, or at least cannot be known to be so similar.