@inproceedings{1015750, title = "Did the Pythagoreans use recursive definitions and functions?", author = "Abraham, W. Emmanuel", year = "1992", pages = "11-21", publisher = "Διεθνές Κέντρον Ελληνικής Φιλοσοφίας και Πολιτισμού", booktitle = "Pythagorean philosophy" }