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All the ideas for 'From an Ontological Point of View', 'Physics' and 'Summa quaestionum super Sententias'

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151 ideas

1. Philosophy / F. Analytic Philosophy / 5. Linguistic Analysis
If you begin philosophy with language, you find yourself trapped in it [Heil]
2. Reason / A. Nature of Reason / 4. Aims of Reason
Reason grasps generalities, while the senses grasp particulars [Aristotle]
2. Reason / B. Laws of Thought / 6. Ockham's Razor
Parsimony does not imply the world is simple, but that our theories should try to be [Heil]
A theory with few fundamental principles might still posit a lot of entities [Heil]
3. Truth / B. Truthmakers / 4. Truthmaker Necessitarianism
The view that truth making is entailment is misguided and misleading [Heil]
4. Formal Logic / F. Set Theory ST / 8. Critique of Set Theory
God does not create the world, and then add the classes [Heil]
4. Formal Logic / G. Formal Mereology / 1. Mereology
Are a part and whole one or many? Either way, what is the cause? [Aristotle]
6. Mathematics / A. Nature of Mathematics / 2. Geometry
Geometry studies naturally occurring lines, but not as they occur in nature [Aristotle]
6. Mathematics / A. Nature of Mathematics / 3. Nature of Numbers / g. Real numbers
Two is the least number, but there is no least magnitude, because it is always divisible [Aristotle]
6. Mathematics / A. Nature of Mathematics / 5. The Infinite / a. The Infinite
Without infinity time has limits, magnitudes are indivisible, and numbers come to an end [Aristotle]
6. Mathematics / A. Nature of Mathematics / 5. The Infinite / c. Potential infinite
Aristotle's infinity is a property of the counting process, that it has no natural limit [Aristotle, by Le Poidevin]
6. Mathematics / A. Nature of Mathematics / 5. The Infinite / j. Infinite divisibility
Lengths do not contain infinite parts; parts are created by acts of division [Aristotle, by Le Poidevin]
A continuous line cannot be composed of indivisible points [Aristotle]
6. Mathematics / C. Sources of Mathematics / 4. Mathematical Empiricism / a. Mathematical empiricism
Ten sheep and ten dogs are the same numerically, but it is not the same ten [Aristotle]
7. Existence / A. Nature of Existence / 4. Abstract Existence
The incommensurability of the diagonal always exists, and so it is not in time [Aristotle]
7. Existence / B. Change in Existence / 1. Nature of Change
Change is the implied actuality of that which exists potentially [Aristotle]
The sophists thought a man in the Lyceum is different from that man in the marketplace [Aristotle]
7. Existence / C. Structure of Existence / 1. Grounding / c. Grounding and explanation
Aristotle's formal and material 'becauses' [aitiai] arguably involve grounding [Aristotle, by Correia/Schnieder]
7. Existence / C. Structure of Existence / 2. Reduction
The reductionist programme dispenses with levels of reality [Heil]
7. Existence / C. Structure of Existence / 3. Levels of Reality
There are levels of organisation, complexity, description and explanation, but not of reality [Heil]
7. Existence / D. Theories of Reality / 2. Realism
Realism says some of our concepts 'cut nature at the joints' [Heil]
7. Existence / D. Theories of Reality / 4. Anti-realism
Anti-realists who reduce reality to language must explain the existence of language [Heil]
7. Existence / E. Categories / 5. Category Anti-Realism
Concepts don't carve up the world, which has endless overlooked or ignored divisions [Heil]
8. Modes of Existence / A. Relations / 1. Nature of Relations
The separation from here to there is not the same as the separation from there to here [Aristotle]
Relations do not add anything to reality, though they are real aspects of the world [Olivi]
8. Modes of Existence / B. Properties / 8. Properties as Modes
The features of a thing (whether quality or quantity) are inseparable from their subjects [Aristotle]
8. Modes of Existence / B. Properties / 9. Qualities
I think of properties as simultaneously dispositional and qualitative [Heil]
8. Modes of Existence / B. Properties / 10. Properties as Predicates
A predicate applies truly if it picks out a real property of objects [Heil]
8. Modes of Existence / B. Properties / 13. Tropes / a. Nature of tropes
A theory of universals says similarity is identity of parts; for modes, similarity is primitive [Heil]
8. Modes of Existence / C. Powers and Dispositions / 1. Powers
Heavy and light are defined by their tendency to move down or up [Aristotle]
8. Modes of Existence / C. Powers and Dispositions / 3. Powers as Derived
Powers or dispositions are usually seen as caused by lower-level qualities [Heil]
8. Modes of Existence / C. Powers and Dispositions / 6. Dispositions / a. Dispositions
Are a property's dispositions built in, or contingently added? [Heil]
8. Modes of Existence / D. Universals / 2. Need for Universals
Universals explain one-over-many relations, and similar qualities, and similar behaviour [Heil]
8. Modes of Existence / D. Universals / 6. Platonic Forms / d. Forms critiques
How could you tell if the universals were missing from a world of instances? [Heil]
8. Modes of Existence / E. Nominalism / 2. Resemblance Nominalism
Similarity among modes will explain everthing universals were for [Heil]
Similar objects have similar properties; properties are directly similar [Heil]
8. Modes of Existence / E. Nominalism / 5. Class Nominalism
Objects join sets because of properties; the property is not bestowed by set membership [Heil]
9. Objects / A. Existence of Objects / 1. Physical Objects
Trope theorists usually see objects as 'bundles' of tropes [Heil]
Objects are substances, which are objects considered as the bearer of properties [Heil]
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 / 2. Substance / c. Types of substance
Maybe there is only one substance, space-time or a quantum field [Heil]
9. Objects / B. Unity of Objects / 2. Substance / e. Substance critique
Rather than 'substance' I use 'objects', which have properties [Heil]
9. Objects / B. Unity of Objects / 3. Unity Problems / c. Statue and clay
A nature is related to a substance as shapeless matter is to something which has a shape [Aristotle]
Statues and bronze lumps have discernible differences, so can't be identical [Heil]
Do we reduce statues to bronze, or eliminate statues, or allow statues and bronze? [Heil]
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 / 4. Quantity of an Object
Quantity just adds union and location to the extension of parts [Olivi]
9. Objects / C. Structure of Objects / 8. Parts of Objects / c. Wholes from parts
We first sense whole entities, and then move to particular parts of it [Aristotle]
There is no whole except for the parts [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 / 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 / 6. Successive Things
A day, or the games, has one thing after another, actually and potentially occurring [Aristotle]
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]
10. Modality / B. Possibility / 4. Potentiality
Matter is potentiality [Aristotle, by Politis]
10. Modality / B. Possibility / 7. Chance
Intrinsic cause is prior to coincidence, so nature and intelligence are primary causes, chance secondary [Aristotle]
Chance is a coincidental cause among events involving purpose and choice [Aristotle]
Maybe there is no pure chance; a man's choices cause his chance meetings [Aristotle]
12. Knowledge Sources / B. Perception / 2. Qualities in Perception / a. Qualities in perception
If properties were qualities without dispositions, they would be undetectable [Heil]
Can we distinguish the way a property is from the property? [Heil]
Properties don't possess ways they are, because that just is the property [Heil]
12. Knowledge Sources / B. Perception / 2. Qualities in Perception / b. Primary/secondary
Objects only have secondary qualities because they have primary qualities [Heil]
12. Knowledge Sources / B. Perception / 2. Qualities in Perception / d. Secondary qualities
Secondary qualities are just primary qualities considered in the light of their effect on us [Heil]
Colours aren't surface properties, because of radiant sources and the colour of the sky [Heil]
12. Knowledge Sources / B. Perception / 2. Qualities in Perception / e. Primary/secondary critique
Treating colour as light radiation has the implausible result that tomatoes are not red [Heil]
13. Knowledge Criteria / A. Justification Problems / 1. Justification / b. Need for justification
To know something we need understanding, which is grasp of the primary cause [Aristotle]
13. Knowledge Criteria / E. Relativism / 6. Relativism Critique
If the world is just texts or social constructs, what are texts and social constructs? [Heil]
14. Science / B. Scientific Theories / 1. Scientific Theory
If the world is theory-dependent, the theories themselves can't be theory-dependent [Heil]
14. Science / B. Scientific Theories / 2. Aim of Science
Science is sometimes said to classify powers, neglecting qualities [Heil]
14. Science / D. Explanation / 1. Explanation / b. Aims of explanation
We know a thing if we grasp its first causes, principles and basic elements [Aristotle]
14. Science / D. Explanation / 2. Types of Explanation / a. Types of explanation
Science refers the question Why? to four causes/explanations: matter, form, source, purpose [Aristotle]
Four Explanations: the essence and form; the matter; the source; and the end [Aristotle, by Politis]
Aristotle's four 'causes' are four items which figure in basic explanations of nature [Aristotle, by Annas]
There are as many causes/explanations as there are different types of why-question [Aristotle]
14. Science / D. Explanation / 2. Types of Explanation / e. Lawlike explanations
Chance is inexplicable, because we can only explain what happens always or usually [Aristotle]
14. Science / D. Explanation / 2. Types of Explanation / j. Explanations by reduction
One form of explanation is by decomposition [Heil]
15. Nature of Minds / B. Features of Minds / 4. Intentionality / b. Intentionality theories
Dispositionality provides the grounding for intentionality [Heil]
Intentionality now has internalist (intrinsic to thinkers) and externalist (environment or community) views [Heil]
15. Nature of Minds / B. Features of Minds / 5. Qualia / c. Explaining qualia
Qualia are not extra appendages, but intrinsic ingredients of material states and processes [Heil]
17. Mind and Body / A. Mind-Body Dualism / 7. Zombies
Philosophers' zombies aim to show consciousness is over and above the physical world [Heil]
Zombies are based on the idea that consciousness relates contingently to the physical [Heil]
Functionalists deny zombies, since identity of functional state means identity of mental state [Heil]
17. Mind and Body / C. Functionalism / 1. Functionalism
Functionalists say objects can be the same in disposition but differ in quality [Heil]
17. Mind and Body / C. Functionalism / 8. Functionalism critique
Functionalism cannot explain consciousness just by functional organisation [Heil]
17. Mind and Body / D. Property Dualism / 6. Mysterianism
The 'explanatory gap' is used to say consciousness is inexplicable, at least with current concepts [Heil]
17. Mind and Body / E. Mind as Physical / 5. Causal Argument
If a car is a higher-level entity, distinct from its parts, how could it ever do anything? [Heil]
17. Mind and Body / E. Mind as Physical / 7. Anti-Physicalism / b. Multiple realisability
Multiple realisability is actually one predicate applying to a diverse range of properties [Heil]
18. Thought / C. Content / 6. Broad Content
Externalism is causal-historical, or social, or biological [Heil]
18. Thought / C. Content / 7. Narrow Content
Intentionality is based in dispositions, which are intrinsic to agents, suggesting internalism [Heil]
18. Thought / E. Abstraction / 2. Abstracta by Selection
You can't abstract natural properties to make Forms - objects and attributes are defined together [Aristotle]
18. Thought / E. Abstraction / 3. Abstracta by Ignoring
Mathematicians study what is conceptually separable, and doesn't lead to error [Aristotle]
19. Language / A. Nature of Meaning / 2. Meaning as Mental
The Picture Theory claims we can read reality from our ways of speaking about it [Heil]
19. Language / C. Assigning Meanings / 3. Predicates
Predicates are substance, quality, place, relation, quantity and action or affection [Aristotle]
19. Language / D. Propositions / 2. Abstract Propositions / b. Propositions as possible worlds
If propositions are states of affairs or sets of possible worlds, these lack truth values [Heil]
20. Action / C. Motives for Action / 3. Acting on Reason / c. Reasons as causes
We assign the cause of someone's walking when we say why they are doing it [Aristotle]
22. Metaethics / C. The Good / 1. Goodness / b. Types of good
Goodness is when a thing (such as a circle) is complete, and conforms with its nature [Aristotle]
23. Ethics / C. Virtue Theory / 1. Virtue Theory / a. Nature of virtue
All moral virtue is concerned with bodily pleasure and pain [Aristotle]
26. Natural Theory / A. Speculations on Nature / 1. Nature
Nature is a principle of change, so we must understand change first [Aristotle]
Nothing natural is disorderly, because nature is responsible for all order [Aristotle]
'Nature' refers to two things - form and matter [Aristotle]
26. Natural Theory / A. Speculations on Nature / 2. Natural Purpose / a. Final purpose
Nature has purpose, and aims at what is better. Is it coincidence that crops grow when it rains? [Aristotle]
26. Natural Theory / A. Speculations on Nature / 2. Natural Purpose / b. Limited purposes
The nature of a thing is its end and purpose [Aristotle]
A thing's purpose is ambiguous, and from one point of view we ourselves are ends [Aristotle]
Teeth and crops are predictable, so they cannot be mere chance, but must have a purpose [Aristotle]
26. Natural Theory / A. Speculations on Nature / 3. Natural Function
Is ceasing-to-be unnatural if it happens by force, and natural otherwise? [Aristotle]
26. Natural Theory / A. Speculations on Nature / 5. Infinite in Nature
Continuity depends on infinity, because the continuous is infinitely divisible [Aristotle]
The heavens seem to be infinite, because we cannot imagine their end [Aristotle]
26. Natural Theory / A. Speculations on Nature / 6. Early Matter Theories / a. Greek matter
Matter desires form, as female desires male, and ugliness desires beauty [Aristotle]
26. Natural Theory / A. Speculations on Nature / 6. Early Matter Theories / f. Ancient elements
When Aristotle's elements compound they are stable, so why would they ever separate? [Weisberg/Needham/Hendry on Aristotle]
26. Natural Theory / C. Causation / 2. Types of cause
The 'form' of a thing explains why the matter constitutes that particular thing [Aristotle, by Politis]
A 'material' cause/explanation is the form of whatever is the source [Aristotle, by Politis]
Causes produce a few things in their own right, and innumerable things coincidentally [Aristotle]
26. Natural Theory / C. Causation / 3. Final causes
The four causes are the material, the form, the source, and the end [Aristotle]
26. Natural Theory / C. Causation / 9. General Causation / b. Nomological causation
The standard view is that causal sequences are backed by laws, and between particular events [Heil]
26. Natural Theory / D. Laws of Nature / 8. Scientific Essentialism / d. Knowing essences
Scientists must know the essential attributes of the things they study [Aristotle]
27. Natural Reality / A. Classical Physics / 1. Mechanics / a. Explaining movement
Motion fulfils potentiality [Aristotle]
If movement can arise within an animal, why can't it also arise in the universe? [Aristotle]
When there is unnatural movement (e.g. fire going downwards) the cause is obvious [Aristotle]
27. Natural Reality / C. Space / 4. Substantival Space
The universe as a whole is not anywhere [Aristotle]
If everything has a place, this causes an infinite regress, because each place must have place [Aristotle]
27. Natural Reality / C. Space / 5. Relational Space
Place is not shape, or matter, or extension between limits; it is the limits of a body [Aristotle]
27. Natural Reality / D. Time / 1. Nature of Time / b. Relative time
If there were many cosmoses, each would have its own time, giving many times [Aristotle]
27. Natural Reality / D. Time / 1. Nature of Time / c. Idealist time
Would there be time if there were no mind? [Aristotle]
It is unclear whether time depends on the existence of soul [Aristotle]
27. Natural Reality / D. Time / 1. Nature of Time / d. Time as measure
Time does not exist without change [Aristotle]
Time measures rest, as well as change [Aristotle]
For Aristotle time is not a process but a means for measuring processes [Aristotle, by Bardon]
Time is not change, but the number we associate with change [Aristotle]
Change only exists in time through its being temporally measure [Aristotle]
Time is an aspect of change [Aristotle]
27. Natural Reality / D. Time / 1. Nature of Time / i. Denying time
How can time exist, when it is composed of what has ceased to be and is yet to be? [Aristotle]
If all of time has either ceased to exist, or has not yet happened, maybe time does not exist [Aristotle]
27. Natural Reality / D. Time / 2. Passage of Time / a. Experience of time
Time is not change, but requires change in our minds to be noticed [Aristotle]
27. Natural Reality / D. Time / 2. Passage of Time / e. Tensed (A) series
The present moment is obviously a necessary feature of time [Aristotle]
27. Natural Reality / D. Time / 2. Passage of Time / h. Change in time
Unlike time, change goes at different rates, and is usually localised [Aristotle, by Le Poidevin]
27. Natural Reality / D. Time / 3. Parts of Time / b. Instants
Time has parts, but the now is not one of them, and time is not composed of nows [Aristotle]
Nows can't be linked together, any more than points on a line [Aristotle]
27. Natural Reality / D. Time / 3. Parts of Time / d. Measuring time
Circular motion is the most obvious measure of time, and especially the celestial sphere [Aristotle]
We measure change by time, and time by change, as they are interdefined [Aristotle]
27. Natural Reality / D. Time / 3. Parts of Time / e. Present moment
The present moment is a link (of past to future), and also a limit (of past and of future) [Aristotle]
We can't tell whether the changing present moment is one thing, or a succession of things [Aristotle]
27. Natural Reality / E. Cosmology / 2. Eternal Universe
Do things come to be from what is, or from what is not? Both seem problematical. [Aristotle]
27. Natural Reality / F. Chemistry / 2. Modern Elements
The real natural properties are sparse, but there are many complex properties [Heil]
27. Natural Reality / G. Biology / 5. Species
Things are limited by the species to certain modes of being [Olivi]
28. God / A. Divine Nature / 2. Divine Nature
The source of all movement must be indivisible and have no magnitude [Aristotle]