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Ammonius Hermiae

Ammonius Hermiae (; Greek: Ἀμμώνιος ὁ Ἑρμείου; c. 440 – c. 520 AD) was a Greek philosopher, and the son of the Neoplatonist philosophers Hermias and Aedesia. He was a pupil of Proclus in Athens, and taught at Alexandria for most of his life, writing commentaries on Plato, Aristotle, and other philosophers.


  • Life 1
  • Writings 2
  • English translations 3
  • Notes 4
  • References 5
  • External links 6


Ammonius' father,

External links

  • Andron, Cosmin. "Ammonios of Alexandria",The Routledge Encyclopedia of Ancient Natural Scientists, eds. Georgia Irby-Massie and Paul Keyser, New York: Routledge, 2008.
  • Jones, A., Martindale, J., Morris, J. The Prosopography of the Later Roman Empire, Cambridge: Cambridge University Press, 1992, pages 71–72.
  • Karamanolis, George E. Plato and Aristotle in agreement? : Platonists on Aristotle from Antiochus to Porphyry, New York : Oxford University Press, 2006.
  • Seel, Gerhard (ed.), Ammonius and the Seabattle. Texts, Commentary, and Essays, in collaboration with Jean-Pierre Schneider and Daniel Schulthess ; Ammonius on Aristotle: De interpretatione 9 (and 7, 1-17) Greek text established by A. Busse, philosophical commentary by Gerhard Seel; essays by Mario Mignucci and Gerhard Seel, Berlin: Walter de Gruyter, 2001.
  • Sorabji, Richard. The Philosophy of the Commentators, 200–600 AD. A Sourcebook, Ithaca: Cornell University Press, 2005.
  • Verrycken, Koenraad. The Metaphysics of Ammonius son of Hermias, in Richard Sorabji (ed.), Aristotle Transformed. The Ancient Commentators and their Influence, Ithaca: Cornell University Press, 1990, p. 199-231.
  • Public Domain This article incorporates text from a publication now in the public domain


  1. ^ Damascius, Philosophos Historia, 118B, Athanassiadi
  2. ^ Olympiodorus, in Gorgias, 199, 8–10
  3. ^ Medieval Philosophy and the Classical Tradition, Curzon Press, John Inglis, 2002, pg. 128.
  4. ^ Society for the Diffusion of Useful Knowledge, , Volume 2, Part 2The biographical dictionary of the Society for the diffusion of useful knowledge, Longman, Brown, Green, and Longmans, 1843, p. 487.


  • Ammonius: On Aristotle Categories, translated by S. M. Cohen and G. B. Matthews. London and Ithaca 1992.
  • Ammonius: On Aristotle's On Interpretation 1–8, translated by D. Blank. London and Ithaca 1996.
  • Ammonius: On Aristotle's On Interpretation 9, with Boethius: On Aristotle's On Interpretation 9, translated by D. Blank (Ammonius) and N. Kretzmann (Boethius). London and Ithaca 1998
  • John Philoponus: On Aristotle On Coming-to-be and Perishing 1.1–5, translated by C. J. F. Williams. London and Ithaca 1999
  • John Philoponus: On Aristotle On Coming-to-be and Perishing 1.6–2.4, translated by C. J. F. Williams. London and Ithaca 1999.
  • John Philoponus: On Aristotle On the Soul 2.1–6, translated by W. Charlton. London and Ithaca 2005
  • John Philoponus: On Aristotle On the Soul 2.7–12, translated by W. Charlton. London and Ithaca 2005
  • John Philoponus: On Aristotle On the Soul 3.1–8, translated by W. Charlton. London and Ithaca 2000
  • John Philoponus: On Aristotle On the Intellect (de Anima 3.4–8), translated by W. Charlton. London and Ithaca 1991.

English translations

There is Greek-language work called Life of Aristotle, which is usually ascribed to Ammonius, but "is more probable that it is the work of Joannes Philoponus, the pupil of Ammonius, to whom it is ascribed in some MSS."[4]

  • On Aristotle's Categories (anonymous writer)
  • On Aristotle's Prior Analytics I (anonymous writer)
  • On Aristotle's Metaphysics 1–7 (written by Asclepius)
  • On Nicomachus' Introduction to Arithmetic (written by Asclepius)
  • On Aristotle's Prior Analytics (written by John Philoponus)
  • On Aristotle's Posterior Analytics (written by John Philoponus)
  • On Aristotle's On Generation and Corruption (written by John Philoponus)
  • On Aristotle's On the Soul (written by John Philoponus)

In addition, there are some notes of Ammonius' lectures written by various students which also survive:

In De Interpretatione, Ammonius contends that divine foreknowledge makes void the contingent. Like Boëthius in his second Commentary and The Consolation of Philosophy, this argument maintains the effectiveness of prayer. Ammonius cites Iamblichus who said "knowledge is intermediate between the knower and the known, since it is the activity of the knower concerning the known."[3]

Of his reputedly numerous writings, only his commentary on Aristotle's De Interpretatione survives intact. A commentary on Porphyry's Isagoge may also be his, but it is somewhat corrupt and contains later interpolations.

First page of the first edition of the Isagoge commentary, Venice 1500


. astrolabe and is known to have written a treatise on the Ptolemy; he lectured on astronomer. He was also an accomplished Simplicius and Damascius, John Philoponus, Asclepius of Tralles He also taught [2]

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