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Ideas for 'Axiomatic Theories of Truth', 'Four Dimensionalism' and 'Physics'

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33 ideas

9. Objects / A. Existence of Objects / 5. Individuation / e. Individuation by kind
If sortal terms fix the kind and the persistence conditions, we need to know what kinds there are [Sider]
9. Objects / B. Unity of Objects / 1. Unifying an Object / a. Intrinsic unification
Natural objects include animals and their parts, plants, and the simple elements [Aristotle]
9. Objects / B. Unity of Objects / 2. Substance / a. Substance
Substance is not predicated of anything - but it still has something underlying it, that originates it [Aristotle]
We only infer underlying natures by analogy, observing bronze of a statue, or wood of a bed [Aristotle]
9. Objects / B. Unity of Objects / 3. Unity Problems / b. Cat and its tail
If Tib is all of Tibbles bar her tail, when Tibbles loses her tail, two different things become one [Sider]
9. Objects / B. Unity of Objects / 3. Unity Problems / c. Statue and clay
Artists 'create' statues because they are essentially statues, and so lack identity with the lump of clay [Sider]
A nature is related to a substance as shapeless matter is to something which has a shape [Aristotle]
9. Objects / B. Unity of Objects / 3. Unity Problems / d. Coincident objects
The stage view of objects is best for dealing with coincident entities [Sider]
9. Objects / C. Structure of Objects / 2. Hylomorphism / a. Hylomorphism
Form, not matter, is a thing's nature, because it is actual, rather than potential [Aristotle]
9. Objects / C. Structure of Objects / 2. Hylomorphism / c. Form as causal
A thing's form and purpose are often the same, and form can be the initiator of change too [Aristotle]
9. Objects / C. Structure of Objects / 2. Hylomorphism / d. Form as unifier
Unity of the form is just unity of the definition [Aristotle]
9. Objects / C. Structure of Objects / 3. Matter of an Object
In feature-generation the matter (such as bronze) endures, but in generation it doesn't [Aristotle, by Politis]
9. Objects / C. Structure of Objects / 5. Composition of an Object
'Composition as identity' says that an object just is the objects which compose it [Sider]
9. Objects / C. Structure of Objects / 8. Parts of Objects / c. Wholes from parts
There is no whole except for the parts [Aristotle]
We first sense whole entities, and then move to particular parts of it [Aristotle]
9. Objects / D. Essence of Objects / 8. Essence as Explanatory
The four explanations are the main aspects of a thing's nature [Aristotle, by Moravcsik]
A thing's nature is what causes its changes and stability [Aristotle]
9. Objects / D. Essence of Objects / 12. Essential Parts
Mereological essentialism says an object's parts are necessary for its existence [Sider]
9. Objects / E. Objects over Time / 2. Objects that Change
Coming to be is by shape-change, addition, subtraction, composition or alteration [Aristotle]
Natural things are their own source of stability through change [Aristotle]
9. Objects / E. Objects over Time / 3. Three-Dimensionalism
Three-dimensionalists assert 'enduring', being wholly present at each moment, and deny 'temporal parts' [Sider]
Some might say that its inconsistency with time travel is a reason to favour three-dimensionalism [Sider]
9. Objects / E. Objects over Time / 4. Four-Dimensionalism
Four-dimensionalists assert 'temporal parts', 'perduring', and being spread out over time [Sider]
4D says intrinsic change is difference between successive parts [Sider]
4D says each spatiotemporal object must have a temporal part at every moment at which it exists [Sider]
9. Objects / E. Objects over Time / 5. Temporal Parts
Temporal parts exist, but are not prior building blocks for objects [Sider]
Temporal parts are instantaneous [Sider]
How can an instantaneous stage believe anything, if beliefs take time? [Sider]
Four-dimensionalism says temporal parts are caused (through laws of motion) by previous temporal parts [Sider]
9. Objects / E. Objects over Time / 6. Successive Things
A day, or the games, has one thing after another, actually and potentially occurring [Aristotle]
9. Objects / E. Objects over Time / 9. Ship of Theseus
The ship undergoes 'asymmetric' fission, where one candidate is seen as stronger [Sider]
9. Objects / E. Objects over Time / 10. Beginning of an Object
Coming-to-be may be from nothing in a qualified way, as arising from an absence [Aristotle]
9. Objects / F. Identity among Objects / 8. Leibniz's Law
If you say Leibniz's Law doesn't apply to 'timebound' properties, you are no longer discussing identity [Sider]