Parts and Wholes in Aristotle's Conception of Substance
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University of Latvia Faculty of History and Philosophy Līva Muižniece PARTS AND WHOLES IN ARISTOTLE'S CONCEPTION OF SUBSTANCE DOCTORAL THESIS Submitted for the degree of Doctor of Philosophy Subfield: Theories of Mind and Cognition Supervisor: Assoc. Prof. Dr. Phil. Jurģis Šķilters Rīga, 2012 This work has been supported by the European Social Fund within the project "Support for Doctoral Studies at the University of Latvia". Šis darbs izstrādāts ar Eiropas Sociāla fonda atbalstu projekta "Atbalsts doktora studijām Latvijas Universitātē". Abstract The dissertation "Parts and Wholes in Aristotle's Conception of Substance" shows that the distinction of several senses of 'part' and 'whole' solves the problem of unity of substance ( οὐσία ). Although both the problem and the solution are Aristotle's, he himself has not provided a separate exposition devoted specifically to this topic. The dissertation offers a dissection of the problem of unity of substance with instruments shaped by Aristotle's remarks on parts and wholes, i.e. mereology (from µέρος , 'part'). The investigation pertains to the composite (sensible or material) substance. The author has defended various claims that are controversial in Aristotelian scholarship (the plurality of the senses of the part–whole relation; the idea that form and matter are proper and real parts; the complexity of form), which have been unfolded by providing evidence in Aristotle's corpus and by discussing the views of various commentators. Keywords: Aristotle, part, whole, substance Anotācija Disertācijā "Daļas un veselumi Aristoteļa substances koncepcijā" autore parāda, ka vairāku 'daļas' un 'veseluma' nozīmju nošķīrums atrisina substances ( οὐσία ) vienības problēmu. Lai gan problēma un arī risinājums ir Aristoteļa, viņš šim jautājumam nevelta atsevišķu izklāstu. Disertācija piedāvā detalizētu substances vienības problēmas analīzi, izmantojot instrumentus, kas darināti, ņemot vērā Aristoteļa piezīmes par daļām un veselumiem, t. i., mereoloģiju (no µέρος – 'daļa'). Izpētes centrā ir salikta (sajūtama vai vieliska) substance. Autore aizstāv vairākus Aristoteļa pētniecībā strīdīgus apgalvojumus (uzskatu, ka daļas–veseluma attiecībai ( part–whole relation ) ir vairākas nozīmes, priekšstatu par veidolu un vielu kā par īstenām ( proper ) un reālām ( real ) daļām, veidola saliktību), kuri tiek pamatoti, aplūkojot Aristoteļa darbu korpusa fragmentus un iztirzājot dažādu komentētāju viedokļus. Atslēgas vārdi: Aristotelis, daļa, veselums, substance Acknowledgements It would have been impossible to write the dissertation without the support from the European Social Fund (ESF) and the Fulbright Foreign Student Program sponsored by United States Department of State. Contents List of Abbreviations ..................................................................................................................................... 9 0. Introduction .............................................................................................................................................. 11 0.1. The Subject-matter of the Dissertation ............................................................................................... 11 0.1.1. The Main Research Question ........................................................................................................ 11 0.1.2. The Aim and the Tasks ................................................................................................................. 13 0.1.3. The Main Propositions to be Defended in the Dissertation .......................................................... 14 0.1.3.1. There Are Various Types of Entity Which Are Said to Be Parts or Wholes ...................... 14 0.1.3.2. There Are Various Distinct Senses of the Part–Whole Relation ........................................ 16 0.1.3.3. The Distinct Senses of the Part–Whole Relation Solve the Problem of Unity ................... 18 0.2. The Methodological Framework ........................................................................................................ 20 0.2.1. Mereology and Metaphysics ......................................................................................................... 20 0.2.2. Research Methods ......................................................................................................................... 22 0.3. The Review of the Sources and Literature Explored in the Dissertation ........................................... 24 0.3.1. Primary Sources: Ancient Authors' Texts and Translations ......................................................... 24 0.3.2. Secondary literature ...................................................................................................................... 26 1. Approaches to Mereology ........................................................................................................................ 28 1.1. Extensional Mereology and its Limits ................................................................................................ 28 1.1.1. Calculus of Individuals ................................................................................................................. 28 1.1.2. The Counter-intuitiveness of Extensional Mereology .................................................................. 31 1.2. Non-extensional Mereology ............................................................................................................... 33 1.2.1. The Attribute of the Whole and the Relativity of Decomposition ................................................ 34 1.2.2. Dependence and Different Types of Part and Whole ................................................................... 35 1.2.3. Structure and Restrictions on Composition .................................................................................. 37 1.3. The Relevance of the Extensional and the Non-extensional Approach to Aristotle .......................... 40 2. Foundations of Aristotle's Mereology ...................................................................................................... 43 2.1. General Considerations ...................................................................................................................... 45 2.1.1. Ambiguity of Part, Whole, and One ............................................................................................. 45 2.1.2. Interrelatedness of Part, Whole, and One ..................................................................................... 49 2.1.3. Relativity of Unity and Divisibility .............................................................................................. 51 2.2. Ways of Division: Parts ...................................................................................................................... 53 2.2.1. Division of a Quantity into Quantities .......................................................................................... 56 2.2.2. Division of Form or Genus into Forms ......................................................................................... 58 2.2.3. Division of a Compound into Form and Matter ........................................................................... 61 2.2.4. Division of Form into Genus and Differentia ............................................................................... 65 2.2.5. Issues pertaining to the Distinction between the Part–Whole Relations ...................................... 67 2.2.5.1. Elaboration on the Distinction between Subjective and Integral parts ............................... 68 2.2.5.2. Elaboration on the Distinction between Real and Conceptual Parts ................................... 71 2.2.5.3. The Interconnectedness between 'Subjective Part–Universal Whole' and 'Conceptual Part– Conceptual Whole' Relations ........................................................................................................... 72 2.2.5.4. Genus as Matter .................................................................................................................. 73 2.3. Ways of Being One ............................................................................................................................ 75 2.3.1. Whole as One (Integral vs. Universal Whole) .............................................................................. 75 2.3.1.1. Quantitative Integral Whole ................................................................................................ 76 2.3.1.2. Universal Whole: Genus ..................................................................................................... 79 2.3.2. Whole as a Perfection that Can Be Mutilated (Continued Elaborations on Integral Wholes) ..... 82 2.3.3. In Search of a Correct Definition of a 'Genuine Whole' (Continued Elaborations on Integral Wholes) ................................................................................................................................................... 84 2.3.3.1. A Whole Is Not an Arbitrary Sum ...................................................................................... 85 2.3.3.2. The Existence of Parts Does Not Guarantee the Existence of the Whole ........................... 85 2.3.3.3. A Composite Cannot Have Incompatible Components ...................................................... 86 2.3.3.4. Accidents Do Not Make Up a Whole ................................................................................. 86 2.3.3.5. The Whole Cannot Be in One Thing and the Parts in Another ..........................................