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The Priority of Locomotion in Aristotle’s Physics
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4.4.2 What does it mean that condensation and rarefaction are principles of quality? I will now begin by presenting what I take to be the basic idea behind the claim that Aristotle establishes, i.e. that one “source of all affections is con- densation and rarefaction.”69 Thereby, it will also become clear that, con- trary to what some scholars think, this assumption is in perfect accordance with what is stated about the two phenomena of condensation (πύκνωσις) and rarefaction (μάνωσις) in Phys. IV 9, the passage most important for Aristotle’s conception of the two phenomena, and that the view expressed in this claim may thus be considered as Aristotle’s own. I will continue my analysis by examining the different premises on which the argument is based, an argument that as a whole is supposed to show that locomotion has ontological priority over change in quality. Aristotle’s claim that condensation and rarefaction are a source of all affections, as I will show, means that for explaining how all kinds of quali- ties, and hence all kinds of change in quality, come about one needs to refer, among other things, to these two processes, as they are at least partly responsible for there being qualities.70 The reason for this claim is presented in the next line (γάρ), which says that this is the case, because “heavy and light, soft and hard, and hot and cold seem to be some sort of densities and rarities.”71 According to this theory, if x is qualified in one of these ways, there seems to be a state of density and rarity—of the whole of, or parts of x’s body—that corresponds to having the respective quality. Furthermore, in this context Aristotle does not provide further explanation for what is stated here, which again makes it necessary to look elsewhere. But as in the 69 πάντων τῶν παθημάτων ἀρχὴ πύκνωσις καὶ μάνωσις, Phys. VIII 7, 260b8. 70 Note that Aristotle merely speaks of ἀρχή and not ἡ ἀρχή which could be read as say- ing that the two processes are the sole source and principle of these things. I take πάθημα to stand for what Aristotle calls παθός in other places and what in the context of my discussion stands for all kinds of qualities in Aristotle. My reason for doing so is that in GC, which in my view needs to be understood as the theoretical background of this passage, especially I 4, where Aristotle discusses alteration, this kind of change is explicitly described as occurring with respect to πάθος as the process in which something “changes in its own qualities” (μετ- βάλλῃ ἐν τοῖς ἑαυτοῦ πάθεσιν, 319b11–12). As the examples in GC I 4 show, apart from one exception, this covers the whole spectrum of alterations that against the background of the discussion of quality in Cat. 8 seem to be possible (for more see n.83 on p.103). Another even more important reason is that in order to show that locomotion is prior to change in substance, quantity, and quality in general, it is not enough to show that it has priority over certain cases of change in quality, namely of perceptible qualities. 71 καὶ βαρὺ καὶ κοῦφον καὶ μαλακὸν καὶ σκληρὸν καὶ θερμὸν καὶ ψυχρὸν πυκνό- τηες δοκοῦσιν καὶ ἀραιότητες εἶναί τινες. Phys. VIII 7, 260b8–10. 100 Locomotion necessarily accompanies each of the other kinds of change ISBN Print: 9783525253069 — ISBN E-Book: 9783647253060 © 2014, Vandenhoeck & Ruprecht GmbH & Co. KG, Göttingen
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The Priority of Locomotion in Aristotle’s Physics
Title
The Priority of Locomotion in Aristotle’s Physics
Author
Sebastian Odzuck
Editor
Dorothea Frede
Gisela Striker
Publisher
Vandenhoeck & Ruprecht GmbH & Co
Date
2014
Language
English
License
CC BY-NC-ND 4.0
ISBN
9783647253060
Size
15.5 x 23.2 cm
Pages
238
Categories
Geisteswissenschaften
Naturwissenschaften Physik

Table of contents

  1. Acknowledgements 9
  2. 1. Introduction 10
  3. 2. The importance of the primary kind of change 14
    1. 2.1 Overview 14
    2. 2.2 The arrangement of the Physics 15
      1. 2.2.1 First option: Books VI–VIII as the treatise On Change 18
        1. 2.2.1.1 Andronicus 19
        2. 2.2.1.2 Theophrastus’ letter 19
        3. 2.2.1.3 References in Aristotle 21
        4. 2.2.1.4 Eudemus 21
      2. 2.2.2 Second option: Books V–VIII as the treatise On Change 22
    3. 2.3 The eight books of the Physics 25
      1. 2.3.1 Physics I–IV: Examining change for the sake of understanding nature 25
      2. 2.3.2 Physics V–VIII: The general analysis of change 27
    4. 2.4 Physics VIII 31
      1. 2.4.1 Overview 31
      2. 2.4.2 The argument of Physics VIII 31
      3. 2.4.3 The importance of the primary kind of change 34
    5. 2.5 Conclusion 40
  4. 3. Change in quality and quantity of living beings depends on loco-motion, but not vice versa 42
    1. 3.1 Overview 42
    2. 3.2 Growth and diminution presuppose alteration 44
      1. 3.2.1 Growth presupposes alteration 45
      2. 3.2.2 Diminution presupposes alteration 48
    3. 3.3 Alteration presupposes locomotion 49
    4. 3.4 Does locomotion precede all occurrences of change in quantity? 53
    5. 3.5 The reason for the restriction of the argument’s scope 58
    6. 3.6 The sense of priority 67
    7. 3.7 Conclusion 69
  5. 4. Locomotion necessarily accompanies each of the other kinds of change, but not vice versa 71
    1. 4.1 Overview 71
    2. 4.2 What changes in quantity changes with respect to place 73
      1. 4.2.1 Overview 73
      2. 4.2.2 What is growing moves to a larger place 74
      3. 4.2.3 Change in place implies no change in the spatial order of the subject’s parts 78
      4. 4.2.4 A possible objection 81
      5. 4.2.5 Compatibility with the irreducibility of the kinds of change 85
      6. 4.2.6 Conclusion 88
    3. 4.3 What undergoes generation or corruption changes with respect to place 89
      1. 4.3.1 Overview 89
      2. 4.3.2 Generation and corruption in virtue of aggregation and segregation 90
      3. 4.3.3 What aggregates or segregates must change with respect to place 96
      4. 4.3.4 Conclusion 97
    4. 4.4 What changes in quality changes with respect to place 98
      1. 4.4.1 Overview 98
      2. 4.4.2 What does it mean that condensation and rarefaction are principles of quality? 100
      3. 4.4.3 Every alteration involves a change in the four basic qualities 104
      4. 4.4.4 Every change in the four basic qualities involves con- densation or rarefaction 108
      5. 4.4.5 Condensation and rarefaction are forms of aggregation and segregation 110
      6. 4.4.6 What changes in quality changes with respect to place 112
      7. 4.4.7 Conclusion 113
    5. 4.5 Conclusion 113
  6. 5. All changes depend on the first locomotion, but not vice versa 115
    1. 5.1 Overview 115
    2. 5.2 The unity of the eternal change 118
      1. 5.2.1 Two ways in which change may be eternal 118
      2. 5.2.2 Why the eternal change must be one and continuous 121
      3. 5.2.3 The criteria for being one continuous change 123
      4. 5.2.4 What is better is the case in nature 127
    3. 5.3 Locomotion alone can be one and eternal 130
      1. 5.3.1 None of the other three kinds of change can be one and eternal 131
      2. 5.3.2 Only circular locomotion can be one and eternal 134
    4. 5.4 Locomotion has ontological priority 137
      1. 5.4.1 Ontological priority 137
      2. 5.4.2 A third sense in which locomotion is ontologically prior 139
    5. 5.5 Conclusion 142
  7. 6. Locomotion has temporal priority 144
    1. 6.1 Overview 144
    2. 6.2 Locomotion has priority in time, since it is the only change eternals can undergo 146
    3. 6.3 Objection: Locomotion is the last of all changes in perishable things 148
    4. 6.4 Coming to be presupposes an earlier locomotion 150
    5. 6.5 The locomotion of the sun as a cause of generation 154
    6. 6.6 Conclusion 162
  8. 7. Locomotion is prior in essence 164
    1. 7.1 Locomotion is prior in essence, since it is last in coming to be 164
      1. 7.1.1 Overview 164
      2. 7.1.2 The reversed priority claim 166
      3. 7.1.3 A different use of the term ‘locomotion’ 172
      4. 7.1.4 Does locomotion come to things last? 175
        1. 7.1.4.1 Capacities of the soul 176
        2. 7.1.4.2 Priority in essence of the locomotive capacity 179
      5. 7.1.5 Another sense of priority in essence 182
      6. 7.1.6 Conclusion 184
    2. 7.2 Locomotion alone preserves its subject’s essence 186
      1. 7.2.1 Overview 186
      2. 7.2.2 Locomotion does not change its subject’s being 188
      3. 7.2.3 Locomotion preserves its subject’s essence best 190
      4. 7.2.4 Making x depart from its essence by being part of a change in essence? 195
        1. 7.2.4.1 Alteration as part of a change in essence 195
        2. 7.2.4.2 Growth and diminution as part of change in essence 199
        3. 7.2.4.3 Locomotion as a part of a change in essence? 201
      5. 7.2.5 Change in quality or quantity in principle may result in a change in essence 202
    3. 7.3 Conclusion: Locomotion’s priority in essence 207
  9. 8. Conclusion 211
  10. Bibliography 220
  11. List of Abbreviations 223
  12. Index Locorum 221
  13. Index Nominum 223
  14. Index Rerum 221
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