Philoponus Books

"Until the launch of this series over fifteen years ago, the 15,000 volumes of the ancient Greek commentators on Aristotle, written mainly between 200 and 600 ad, constituted the largest corpus of...

Philoponus: Against Proclus On The Eternity Of The World 12-18

By John Philoponus, Philoponus, Philoponus, James Wilberding, James Wilberding

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"Until the launch of this series over fifteen years ago, the 15,000 volumes of the ancient Greek commentators on Aristotle, written mainly between 200 and 600 AD, constituted the largest corpus of...

Philoponus

By John Philoponus

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Of John Philoponus' commentary on the Meteorology, only that on chapters 1-9 and 12 of the first book has been preserved. It is translated in this series in two parts, the first covering chapters 1...

Philoponus

By John Philoponus

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On Aristotle on the intellect (De anima 3.4-8)

By John Philoponus

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.