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⇱ 94 - The Platonic Successor: Proclus | History of Philosophy without any gaps


94 - The Platonic Successor: Proclus

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Proclus’ system, presented in original works and in commentaries on Plato and Euclid, integrates Neoplatonic philosophy with pagan religious belief and practice.

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Further Reading

• W. Beierwaltes, Proklos: Grundzüge seiner Metaphysik (Frankfurt am Main: 1965).

• R. Chlup, Proclus: An Introduction (Cambridge: Cambridge University Press, 2012).

• P. d'Hoine and M. Martijn, All from One: a Guide to Proclus (Oxford: 2016).

• E.R. Dodds, Proclus: The Elements of Theology (Oxford: 1933).

• S. Gersh, Kinesis Akinetos: a Study of Spiritual Motion in the Philosophy of Proclus (Leiden: 1973).

• C. Helmig, Forms and Concepts. Concept Formation in the Platonic Tradition (Berlin: de Gruyter, 2012).

• J. Opsomer and C. Steel (trans.), Proclus: On the Existence of Evils (London: 2003).

• J. Opsomer, “Proclus vs Plotinus on matter (De mal. subs. 30–7),” Phronesis 46 (2001), 154-88.

• M. Martijn, Proclus on Nature (Leiden: 2010).

• M. Perkams and R.M. Piccione (eds), Proklos. Methode, Seelenlehre, Metaphysik (Leiden: 2006).

• L. Siorvanes, Proclus: Neo-Platonic Philosophy and Science (New Haven: 1996).

• C. Steel, “Breathing thought. Proclus on the innate knowledge of the soul,” in The Perennial Tradition of Neoplatonism, ed. J. Cleary (Leuven: 1997), 293–309.

Stanford Encyclopedia: Proclus

Online Proclus bibliography

Comments

Glenn Russell on 13 December 2012

Proclus and Plotinus

Hi Peter,

I listened to your podcast on Proclus a couple of times but still would like some help on the distinctions made by Gnostics, Plotinus and Proclus on the existence of evil. My understanding, stated in brief, is:

The Gnostics think matter itself is evil
Plotinus thinks matter isn’t evil but is the cause of evil
Proclus thinks matter is good but matter in conflict can result in evil

The Gnostic view is clear and clean-cut. Is there a clearer, more complete way of understanding the difference between Plotinus and Proclus? Conflict seems to be simply a fancy way of saying cause.

Thanks.
Glenn

In reply to Proclus and Plotinus by Glenn Russell

Peter Adamson on 13 December 2012

Neoplatonists on evil

Hi Glenn,

That's a very good summary. The difference between Plotinus and Proclus is, as you say, that for Proclus matter is in a sense actually good because it has a potentiality to take on form and thus cooperate in the realization of the good. Whereas Plotinus thinks that matter cannot ever take on form, it remains "dead" and inert underneath form and is not actualized. So its only contribution is to impede the realization of form (not directly, since it is too featureless actively to oppose the good as the Gnostics think -- but insofar as form will be less perfectly realized once it appears as "decoration" on the "corpse" of matter). Proclus by contrast thinks that matter gives rise to evil by making it possible for various goods to come into conflict, which cannot happen in the intelligible realm.

Does that help?

Peter

In reply to Neoplatonists on evil by Peter Adamson

Glenn Russell on 31 August 2014

Thanks --

Thanks for your clarification, Peter. Apologies for taking a year and a half to say thanks and your post does indeed help. -- I missed your reply back then.

In reply to Thanks -- by Glenn Russell

Peter Adamson on 2 September 2014

You're welcome

Better late than never! And thanks for the other post about music and yoga on episode 133.

Rory Grant on 3 January 2013

Intellective gods

Hi Peter,

First of all, thank you for a somewhat more accessible companion to this subject than battling through the Elements of Theology by oneself.

You mention in the podcast the use of a triumverate of classes of Gods to ensure, without gaps, an account of intellect (nous?). That is: Intelligible gods - intelligible/intellective gods - intellective gods.

My question is, is it only the 'lowest' class of gods who Proclus equates with the traditional Hellenic Pantheon (the intelligible gods being of a higher, unknowable, order); or, are some deities of the pantheon intelligible gods, some intelligible/intellective and finally some intellective (e.g. Zeus being of a higher order than, say, Hestia)?

Please correct me if any of the context of my question is misunderstood.

Alexander Johnson on 19 September 2018

So Many P Names

So the big names in this section are....

Pythagoras, Plato, Philo, Plutarch, Plotinus, Porphyry, Proclus, and Philoponus.  I have a feeling i'm gonna get a few of them confused with each other in a couple of years.

In reply to So Many P Names by Alexander Johnson

Peter Adamson on 19 September 2018

P Names

I always tell people that the best philosophers begin with P (the ones you named) or A (Aristotle, Avicenna, Aquinas...).

Then I remind them what my initials are!

In reply to P Names by Peter Adamson

S.G. on 19 May 2019

Logic

Sorry to say this, but you are actually suggesting a logical error: You first say "If somebody is a great philosopher, then his name begins with P or A." But the converse does not need to be true. Therefore you cannot conclude that someone whose initials are P.A. is necessarily a great philosopher (though you might ague that it slightly increases the probability). And of course the premise is dubious, at the very least.

Yes I know, you don't mean it... Or do you?

In reply to Logic by S.G.

Peter Adamson on 19 May 2019

Knowing your Ps and As

That's an excellent point. The premise does however mean that I am a candidate for being a great philosopher, since if my initials were not P and/or A,  then I would already be ruled out. You know, like David Hume and Immanuel Kant.

In reply to Knowing your Ps and As by Peter Adamson

Rob on 18 February 2020

A challenger

Considering Hesiod, Homer, Heraclitus, Hobbes, Hume, Yehuda Helevi, Hui Tzi, Hegel, Husserl, and Heidegger maybe the H has a pedigree too...

Steve on 26 June 2020

the great chain of being

You don't mention that phrase in your great podcasts on the neo-Platonists, but I take it that you're discussing the idea of it here and in the previous podcast. I suppose that the phrase was invented later.  Right?

In reply to the great chain of being by Steve

Peter Adamson on 27 June 2020

Great chain of being

That's right, I associate the phrase with Arthur Lovejoy though I couldn't swear that he invented it. There is also a famous passage in Homer about the world being hung from a chain down from Zeus, or something to that effect. Anyway you are right that I didn't mention it since it is not a phrase used by the Neoplatonists themselves but it is often used to describe their view.

David Marans on 13 December 2021

Proclus resource

The Proclus page and others in my Open Access pdf LOGIC GALLERY which will of interest.  It is a century by century panorama of a fundamental concept,  with a separate full page for 178 figures since Aristotle. Each has quotations, a bio screed, several seldom seen illustrations, and links for further study. Included are several dozen Ancients/Neoplatonists/Moslems/Medievals.

The free download is at  http://humbox.ac.uk/5497/

It takes about 2 minutes, so be patient.

PS: It is notable that the topic of first book published by an American was Neoplatonism.

dukeofethereal on 5 December 2025

A lot of tags missing for Proclus

1. God(s)

2. Religion and Reason

3.  Soul and the Self

4. Matter 

5 . Mathematics - his work on Euclid

6. Ethics (Ten problems concerning providence)

7. Evil and Suffering  (on the existence of evils)

8 - Determinism and Fate (On providence fate and what depends on us)

Highly influential thinker

Jdee43 on 25 January 2026

Fixing Plato

What do you think of the following interpretation: the Neoplatonists fixed Plato by removing his mysticism. They had Plato now reducing reality to logic, just as Aristotle and the Stoics had done in their own work. This is especially seen in Proclus, with his use of Euclid's style. Plato became systematized. Is this a valid way to look at all this?

In reply to Fixing Plato by Jdee43

Peter Adamson on 26 January 2026

Fixing Plato

That's quite an interesting take, given that people often accuse the Neoplatonists of having embraced a form of mysticism that is not there in Plato. Actually I don't really read either Plato or the Neoplatonists as mystics; Plato is pretty relentlessly committed to rational argument and so are they, even if they do indicate limits to what human reason and language can accomplish.

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