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Ideas for 'Physics', 'fragments/reports' and 'Perpetual Peace'

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28 ideas

27. Natural Reality / A. Classical Physics / 1. Mechanics / a. Explaining movement
20063 Motion fulfils potentiality [Aristotle]
1713 Thales must have thought soul causes movement, since he thought magnets have soul [Thales, by Aristotle]
5114 If movement can arise within an animal, why can't it also arise in the universe? [Aristotle]
5116 When there is unnatural movement (e.g. fire going downwards) the cause is obvious [Aristotle]
27. Natural Reality / C. Space / 4. Substantival Space
5099 The universe as a whole is not anywhere [Aristotle]
5097 If everything has a place, this causes an infinite regress, because each place must have place [Aristotle]
27. Natural Reality / C. Space / 5. Relational Space
5098 Place is not shape, or matter, or extension between limits; it is the limits of a body [Aristotle]
27. Natural Reality / D. Time / 1. Nature of Time / b. Relative time
20920 If there were many cosmoses, each would have its own time, giving many times [Aristotle]
27. Natural Reality / D. Time / 1. Nature of Time / c. Idealist time
5106 Would there be time if there were no mind? [Aristotle]
22967 It is unclear whether time depends on the existence of soul [Aristotle]
27. Natural Reality / D. Time / 1. Nature of Time / d. Time as measure
8590 Time does not exist without change [Aristotle]
22965 Time measures rest, as well as change [Aristotle]
22885 For Aristotle time is not a process but a means for measuring processes [Aristotle, by Bardon]
22959 Time is not change, but the number we associate with change [Aristotle]
22964 Change only exists in time through its being temporally measure [Aristotle]
5104 Time is an aspect of change [Aristotle]
27. Natural Reality / D. Time / 1. Nature of Time / i. Denying time
22956 How can time exist, when it is composed of what has ceased to be and is yet to be? [Aristotle]
5102 If all of time has either ceased to exist, or has not yet happened, maybe time does not exist [Aristotle]
27. Natural Reality / D. Time / 2. Passage of Time / a. Experience of time
5103 Time is not change, but requires change in our minds to be noticed [Aristotle]
27. Natural Reality / D. Time / 2. Passage of Time / e. Tensed (A) series
22961 The present moment is obviously a necessary feature of time [Aristotle]
27. Natural Reality / D. Time / 2. Passage of Time / h. Change in time
22916 Unlike time, change goes at different rates, and is usually localised [Aristotle, by Le Poidevin]
27. Natural Reality / D. Time / 3. Parts of Time / b. Instants
16693 Time has parts, but the now is not one of them, and time is not composed of nows [Aristotle]
22958 Nows can't be linked together, any more than points on a line [Aristotle]
27. Natural Reality / D. Time / 3. Parts of Time / d. Measuring time
22968 Circular motion is the most obvious measure of time, and especially the celestial sphere [Aristotle]
22963 We measure change by time, and time by change, as they are interdefined [Aristotle]
27. Natural Reality / D. Time / 3. Parts of Time / e. Present moment
22966 The present moment is a link (of past to future), and also a limit (of past and of future) [Aristotle]
22957 We can't tell whether the changing present moment is one thing, or a succession of things [Aristotle]
27. Natural Reality / E. Cosmology / 2. Eternal Universe
5083 Do things come to be from what is, or from what is not? Both seem problematical. [Aristotle]