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Single Idea 16103
[filed under theme 9. Objects / C. Structure of Objects / 7. Substratum
]
Full Idea
To avoid the outcome (possible in 'Categories') that the subject might be nothing at all, Aristotle insists that a legitimate subject must be separate and a 'this' [tode ti]. Forms and composites satisfy the revised criterion in different ways.
Gist of Idea
A subject can't be nothing, so it must qualify as separate, and as having a distinct identity
Source
report of Aristotle (Metaphysics [c.324 BCE], Z.3) by Mary Louise Gill - Aristotle on Substance Ch.3
Book Ref
Gill,Mary Louise: 'Aristotle on Substance: Paradox of Unity' [Princeton 1989], p.83
A Reaction
I take it that we would say that a 'this' is an entity which possesses 'identity', and is perhaps countable. For Aristotle being a 'this' seems to require a possibility of definition. This is a powerful Aristotelian thought, needed in modern metaphysics.
The
22 ideas
with the same theme
[an object's underlying aspect, apart from surface features]:
10962
|
It is unclear whether Aristotle believes in a propertyless subject, his 'ultimate matter'
[Aristotle, by Lawson-Tancred]
|
10942
|
If you extract all features of the object, what is left over?
[Aristotle]
|
16575
|
Something must pre-exist any new production
[Aristotle]
|
16142
|
A substrate is either a 'this' supporting qualities, or 'matter' supporting actuality
[Aristotle]
|
16103
|
A subject can't be nothing, so it must qualify as separate, and as having a distinct identity
[Aristotle, by Gill,ML]
|
16631
|
If we remove surface qualities from wax, we have an extended, flexible, changeable thing
[Descartes]
|
12559
|
Complex ideas are collections of qualities we attach to an unknown substratum
[Locke]
|
12968
|
A 'substratum' is just a metaphor for whatever supports several predicates
[Leibniz]
|
15814
|
A peach is sweet and fuzzy, but it doesn't 'have' those qualities
[Chisholm]
|
15481
|
I favour the idea of a substratum for properties; spacetime seems to be just a bearer of properties
[Martin,CB]
|
15264
|
The notorious substratum results from substance-with-qualities; individuals-with-powers solves this
[Harré/Madden]
|
11969
|
Models nicely separate particulars from their clothing, and logicians often accept that metaphysically
[Kaplan]
|
12764
|
For the bare particular view, properties must be features, not just groups of objects
[Stalnaker]
|
16407
|
Possible worlds allow separating all the properties, without hitting a bare particular
[Stalnaker]
|
7929
|
A substance is either a bundle of properties, or a bare substratum, or an essence
[Macdonald,C]
|
7941
|
Each substance contains a non-property, which is its substratum or bare particular
[Macdonald,C]
|
7942
|
The substratum theory explains the unity of substances, and their survival through change
[Macdonald,C]
|
7943
|
A substratum has the quality of being bare, and they are useless because indiscernible
[Macdonald,C]
|
16584
|
If a substrate gives causal support for change, quite a lot of the ingredients must endure
[Pasnau]
|
16579
|
There may be different types of substrate, or temporary substrates
[Pasnau]
|
16580
|
A substrate may be 'prime matter', which endures through every change
[Pasnau]
|
16596
|
A substratum can't be 'bare', because it has a job to do
[Pasnau]
|