Ideas from 'works' by Plato [375 BCE], by Theme Structure

[found in 'Complete Works' by Plato (ed/tr Cooper,John M.) [Hackett 1997,0-87220-349-2]].

Click on the Idea Number for the full details    |     back to texts     |     expand these ideas

1. Philosophy / C. History of Philosophy / 2. Ancient Philosophy / b. Pre-Socratic philosophy
Plato never mentions Democritus, and wished to burn his books
8. Modes of Existence / A. Relations / 3. Structural Relations
Plato's idea of 'structure' tends to be mathematically expressed
8. Modes of Existence / D. Universals / 6. Platonic Forms / a. Platonic Forms
Plato's Forms meant that the sophists only taught the appearance of wisdom and virtue
When Diogenes said he could only see objects but not their forms, Plato said it was because he had eyes but no intellect
8. Modes of Existence / D. Universals / 6. Platonic Forms / b. Partaking
If there is one Form for both the Form and its participants, they must have something in common
8. Modes of Existence / D. Universals / 6. Platonic Forms / c. Self-predication
If gods are like men, they are just eternal men; similarly, Forms must differ from particulars
8. Modes of Existence / D. Universals / 6. Platonic Forms / d. Forms critiques
A Form is a cause of things only in the way that white mixed with white is a cause
The Forms cannot be changeless if they are in changing things
9. Objects / A. Existence of Objects / 4. Individuation / a. Individuation
We can grasp whole things in science, because they have a mathematics and a teleology
9. Objects / B. Unity of Objects / 1. Unifying an Object / a. Intrinsic unification
Plato sees an object's structure as expressible in mathematics
Plato was less concerned than Aristotle with the source of unity in a complex object
9. Objects / B. Unity of Objects / 2. Substance / c. Types of substance
Plato's holds that there are three substances: Forms, mathematical entities, and perceptible bodies
9. Objects / C. Structure of Objects / 8. Parts of Objects / c. Wholes from parts
Plato says wholes are either containers, or they're atomic, or they don't exist
9. Objects / D. Essence of Objects / 2. Types of Essence
Only universals have essence
9. Objects / D. Essence of Objects / 6. Essence as Unifier
Plato and Aristotle take essence to make a thing what it is
14. Science / D. Explanation / 1. Explanation / b. Aims of explanation
A good explanation totally rules out the opposite explanation (so Forms are required)
19. Language / A. Language / 3. Rhetoric
Plato's whole philosophy may be based on being duped by reification - a figure of speech
22. Metaethics / A. Ethical Ends / 2. Goodness / b. Candidates for the Good
Plato's legacy to European thought was the Good, the Beautiful and the True
Pleasure is better with the addition of intelligence, so pleasure is not the good
22. Metaethics / A. Ethical Ends / 5. Happiness / d. Routes to happiness
Plato decided that the virtuous and happy life was the philosophical life
22. Metaethics / B. Basis of Ethics / 3. Morality as Convention
As religion and convention collapsed, Plato sought morals not just in knowledge, but in the soul
22. Metaethics / C. Sources of Ethics / 3. Intuitionism
Plato never refers to examining the conscience
23. Ethics / C. Virtue Theory / 1. Virtue Theory / a. Nature of virtue
Plato, unusually, said that theoretical and practical wisdom are inseparable