Combining Texts
Ideas for
'fragments/reports', 'Vagueness, Truth and Logic' and 'The Principles of Mathematics'
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8 ideas
27. Natural Reality / A. Classical Physics / 1. Mechanics / a. Explaining movement
14168
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Occupying a place and change are prior to motion, so motion is just occupying places at continuous times [Russell]
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27. Natural Reality / A. Classical Physics / 1. Mechanics / c. Forces
14171
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Force is supposed to cause acceleration, but acceleration is a mathematical fiction [Russell]
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27. Natural Reality / C. Space / 3. Points in Space
14160
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Space is the extension of 'point', and aggregates of points seem necessary for geometry [Russell]
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27. Natural Reality / D. Time / 1. Nature of Time / h. Presentism
20819
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The past and the future subsist, but only the present exists [Chrysippus, by Plutarch]
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27. Natural Reality / D. Time / 3. Parts of Time / b. Instants
14156
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Mathematicians don't distinguish between instants of time and points on a line [Russell]
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27. Natural Reality / D. Time / 3. Parts of Time / e. Present moment
20818
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The present does not exist, so our immediate experience is actually part past and part future [Chrysippus, by Plutarch]
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20821
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Time is continous and infinitely divisible, so there cannot be a wholly present time [Chrysippus, by Stobaeus]
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27. Natural Reality / E. Cosmology / 1. Cosmology
14169
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The 'universe' can mean what exists now, what always has or will exist [Russell]
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