Combining Texts

All the ideas for 'Leibniz: Guide for the Perplexed', 'Aristotle on Substance' and 'Elements of Law and Justice'

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5 ideas

9. Objects / B. Unity of Objects / 2. Substance / d. Substance defined

19347	Substance needs independence, unity, and stability (for individuation); also it is a subject, for predicates [Perkins]
	Full Idea: For individuation, substance needs three properties: independence, to separate it from other things; unity, to call it one thing, rather than an aggregate; and permanence or stability over time. Its other role is as subject for predicates.
	From: Franklin Perkins (Leibniz: Guide for the Perplexed [2007], 3.1)
	A reaction: Perkins is describing the Aristotelian view, which is taken up by Leibniz. 'Substance' is not a controversial idea, if we see that it only means that the world is full of 'things'. It is an unusual philosopher wholly totally denies that.

9. Objects / C. Structure of Objects / 3. Matter of an Object

16083	Aristotelian matter seriously threatens the intrinsic unity and substantiality of its object [Gill,ML]
	Full Idea: On the interpretation of Aristotelian matter that I shall propose, matter seriously threatens the intrinsic unity, and hence the substantiality, of the object to which it contributes.
	From: Mary Louise Gill (Aristotle on Substance [1989], Intro)
	A reaction: Presumably the thought is that if an object is form+matter (hylomorphism), then forms are essentially unified, but matter is essentially unified and sloppy.

14. Science / C. Induction / 2. Aims of Induction

19387	Hypotheses come from induction, which is comparison of experiences [Leibniz]
	Full Idea: We construct a hypothesis on the basis of an induction, that is on the basis of a comparison of experiences.
	From: Gottfried Leibniz (Elements of Law and Justice [1669], p.2)
	A reaction: This fits the traditional positivist picture of science (observe-hypothesise-predict-observe). I like the definition of induction as 'comparison of experiences', because it doesn't reduce it to sequences of objects, and points to coherence.

26. Natural Theory / A. Speculations on Nature / 6. Early Matter Theories / b. Prime matter

17006	Prime matter has no place in Aristotle's theories, and passages claiming it are misread [Gill,ML]
	Full Idea: I argue that prime matter has no place in Aristotle's elemental theory. ..References to prime matter are found in Aristotle's work because his theory was thought to need the doctrine. If I am right, these passages will all admit of another interpretation.
	From: Mary Louise Gill (Aristotle on Substance [1989], App)
	A reaction: If correct, this strikes me as important for the history of ideas, because scholastics got themselves in a right tangle over prime matter. See Pasnau on it. It pushed the 17th century into corpuscularianism.

16093	Prime matter is actually nothing and potentially everything (or potentially an element) [Gill,ML]
	Full Idea: Prime matter is supposed to be actually nothing and potentially everything or, at any rate, potentially the simplest bodies - earth, water, air and fire.
	From: Mary Louise Gill (Aristotle on Substance [1989], Ch.1)
	A reaction: The view that the four elements turn out to be prime matter is distinctive of Gill's approach. Prime matter sounds like quark soup in the early universe.