The Neoplatonist master who bridged the gap between Aristotle and the divine
In short: Syrianus was a pivotal figure in late antiquity, serving as head of Plato's Academy in Athens. Though much of his work is lost, his surviving commentaries on Aristotle reveal a thinker who sought to reconcile complex metaphysical systems, influencing the next generation of philosophers, including his most famous student, Proclus.
Born in Alexandria and the son of Philoxenus, Syrianus rose to prominence in Athens as a student of Plutarch of Athens. Upon succeeding his mentor in 431 or 432 AD, he became a central figure in the Neoplatonist tradition. His influence was profound, particularly through his role as a teacher to Proclus, who held him in such high regard that he requested to be buried in the same tomb as his master. Syrianus died around 437 AD, leaving behind a legacy of rigorous exegesis that aimed to harmonize the teachings of Orpheus, Pythagoras, and Plato.
His most significant surviving work is a commentary on Aristotle's Metaphysics. In this text, Syrianus does not merely explain Aristotle; he actively engages with him, using the Neoplatonist framework to challenge and refine Aristotelian propositions. A key feature of his metaphysics is the distinction between the monad, which he characterizes as masculine, and the dyad, which he views as feminine. He uses these cosmic principles to address the problem of evil, arguing that evil does not exist as a Platonic form but arises from the otherness and plurality generated by the dyad.
Syrianus also held sophisticated views on the limits of language and logic. He maintained that the principle of non-contradiction—that a thing cannot both be and not be at the same time—applies only to existing things. For that which transcends speech and knowledge, he argued that neither affirmation nor denial is appropriate, as any assertion about such a transcendent reality must necessarily be false. While many of his writings, including commentaries on Ptolemy’s astronomy and Plato’s Timaeus, have been lost to history, his intellectual footprint remains a vital link in the development of late antique philosophy.
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Sources
- Summary by Intellect · source: Syrianus
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