BIBLIOGRAPHY CONTRIBUTOR Charles Manekin First name Charles Last name Manekin Bibliography entries by this contributor ben Gershom, Levi, and Charles Manekin. 1992. The Logic of Gersonides: A Translation of Sefer Ha-Heqqesh Ha-Yashar [Book on Valid Syllogisms] of Rabbi Levi Ben Gershom. Dordrecht; Boston: Kluwer Academic Publishers.
