Concept
Theory of forms

Overview
philosophical theory attributed to Plato
Overview adapted from Wikipedia (CC BY-SA 4.0; see the article history for authors).
Possible passages
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In the third place, we shall limit ourselves to the particular consideration of the principle itself. Each principle has reigned for a certain time, and when the whole system of the world has been explained from this special form, it is called a philosophical system. Its whole theory has certainly to be learned, but as long as the principle is abstract it is not sufficient to embrace the forms belonging to our…
Georg Wilhelm Friedrich Hegel, Hegel's Lectures on the History of Philosophy
States what Theory of forms is; the author is tied to Theory of forms in the knowledge graph.
Since movement arises from the degradation of the immutable, there could be no movement, consequently no sensible world, if there were not, somewhere, immutability realized. So, having begun by refusing to Ideas an independent existence, and finding himself nevertheless unable to deprive them of it, Aristotle pressed them into each other, rolled them up into a ball, and set above the physical world a Form that was…
Henri Bergson, Creative Evolution
Close in meaning to Theory of forms; the term itself is not named.
Dialectic, it may be added, is no novelty in philosophy. Among the ancients Plato is termed the inventor of Dialectic; and his right to the name rests on the fact, that the Platonic philosophy first gave the free scientific, and thus at the same time the objective, form to Dialectic. Socrates, as we should expect from the general character of his philosophising, has the dialectical element in a predominantly…
Georg Wilhelm Friedrich Hegel, The Logic of Hegel
States what Theory of forms is; the author is tied to Theory of forms in the knowledge graph.
Philosophers who discussed Theory of forms
- Epicurus
- John Scotus Eriugena
- Gilles Deleuze
- Georg Wilhelm Friedrich Hegel
- Heraclitus
- Syrianus
- Mircea Eliade
- Xenocrates
- Ludwig Wittgenstein
- Leucippus
- Augustine of Hippo
- Philo
- David Malet Armstrong
- Plato
- Antiochus of Ascalon
- Parmenides
- Philosophical Investigations
- John Anderson (philosopher)
- Al-Kindi
- Aristotle
- The School of Athens
- Chrysippus
- Averroes
- Speusippus
Related ideas
- Empiricism
- Natural kind
- Classical Greece
- Philosophical realism
- Phaedo
- Western philosophy
- Heraclitus
- Syrianus
- Insight
- Ancient Greek
- Idealism
- Republic (Plato)
- Hylomorphism
- Justice
- German philosophy
- Philosophical theory
- W. D. Ross
- Metaphysics
- Law
- Perfection
- Nominalism
- Visual perception
- Number
- Cratylus (dialogue)
Opposing perspectives
- Idea
- Philosopher king
- Platonism
- Problem of universals
- Knowledge
- Classical antiquity
- Moderate realism
- Idiolect
- Taoist coin charm
Place in the tradition
Part of Outline of philosophy.
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