Elias was a Greek scholar and a commentator on Aristotle

Aristotle

Aristotle was a Greek philosopher and polymath, a student of Plato and teacher of Alexander the Great. His writings cover many subjects, including physics, metaphysics, poetry, theater, music, logic, rhetoric, linguistics, politics, government, ethics, biology, and zoology...

 and Porphyry

Porphyry (philosopher)

Porphyry of Tyre , Porphyrios, AD 234–c. 305) was a Neoplatonic philosopher who was born in Tyre. He edited and published the Enneads, the only collection of the work of his teacher Plotinus. He also wrote many works himself on a wide variety of topics...

.

He was a pupil of Olympiodorus

Olympiodorus the Younger

Olympiodorus the Younger was a Neoplatonist philosopher, astrologer and teacher who lived in the early years of the Byzantine Empire, after Justinian's Decree of 529 A.D. which closed Plato's Academy in Athens and other pagan schools...

 in Alexandria

Alexandria

Alexandria is the second-largest city of Egypt, with a population of 4.1 million, extending about along the coast of the Mediterranean Sea in the north central part of the country; it is also the largest city lying directly on the Mediterranean coast. It is Egypt's largest seaport, serving...

 in the late-6th century. His name suggests that he was a Christian. A commentary on Porphyry

Porphyry (philosopher)

Porphyry of Tyre , Porphyrios, AD 234–c. 305) was a Neoplatonic philosopher who was born in Tyre. He edited and published the Enneads, the only collection of the work of his teacher Plotinus. He also wrote many works himself on a wide variety of topics...

's Isagoge written in Greek

Greek language

Greek is an independent branch of the Indo-European family of languages. Native to the southern Balkans, it has the longest documented history of any Indo-European language, spanning 34 centuries of written records. Its writing system has been the Greek alphabet for the majority of its history;...

 has survived. Some fragments survive of a commentary he wrote on the Prior Analytics of Aristotle

Aristotle

Aristotle was a Greek philosopher and polymath, a student of Plato and teacher of Alexander the Great. His writings cover many subjects, including physics, metaphysics, poetry, theater, music, logic, rhetoric, linguistics, politics, government, ethics, biology, and zoology...

, and he is known to have written on the De Interpretatione of Aristotle. It is also possible that the extant Commentary on Aristotle

Aristotle

Aristotle was a Greek philosopher and polymath, a student of Plato and teacher of Alexander the Great. His writings cover many subjects, including physics, metaphysics, poetry, theater, music, logic, rhetoric, linguistics, politics, government, ethics, biology, and zoology...

's Categories which is attributed to David

David (commentator)

David was a Greek scholar and a commentator on Aristotle and Porphyry.He may have come from Thessaly, but in later times he was confused with an Armenian of the same name . He was a pupil of Olympiodorus in Alexandria in the late 6th century...

 was actually written by Elias.

In addition, a second extant commentary on Porphyry's Isagoge was falsely ascribed to Elias. The commentary was also falsely ascribed to David, and it has been conjectured that it may have been written by Stephen of Alexandria

Stephen of Alexandria

Stephen of Alexandria was a 7th century Byzantine philosopher, astronomer and teacher. He was a public lecturer in the court of Heraclius . In the manuscripts he is called the Universal Philosopher.He taught on Plato and Aristotle, and on Geometry, Arithmetic, Astronomy and Music.- Works :1...

.