Bidspirit auction | Sefer Yesod on the Principles

Sefer Yesod on the Principles of the Talmud Halichos Olam Constantinople, 1510 * One of the most important Sifrei Yesod on the rules and structure of the Mishnah and Talmud study, as well as the principles of halachic rulings, authored by Rabbi Yehoshua HaLevi of Tlemcen. 'Halichos Olam' was acclaimed as a Sefer Yesod in the realm of Talmudic methodology, achieving wide dissemination. The author, Rabbi Yehoshua HaLevi, fled from Tlemcen in 1467 due to severe persecution and anti-Jewish decrees, and settled in Toledo, Spain, where he composed this work. Due to its great importance, Rabbi Yosef Karo structured his work 'Klalei HaGemara' around the sefer 'Halichos Olam', and so he wrote in his introduction: “And since the author of Halichos Olam, of blessed memory, preceded me... I therefore resolved to compose my work upon his.” (Just as he wrote his Beis Yosef around the Tur, and Kesef Mishneh around the Rambam, so too he structured this work around Halichos Olam.) At the end of the sefer, on leaves 38–39, there appears 'Mavo HaTalmud' by Rabbi Shmuel Hanaggid — a foundational introduction to the Talmud, printed here for the first time. Later, it became a standard appendix to many editions of the Talmud (first included in the Amsterdam Talmud 1714). The final leaf contains a colophon from the proofreader, Rabbi Yehuda ben Bulat, a Sephardic scholar from the city of Estella in the Kingdom of Navarre (author of 'Klal Katzar', Constantinople 1492). In it, he records the place and year of printing: “It was completed on Rosh Chodesh Av, in the year ‘u’banu bnei neichar’ [270 referring to the Hebrew year 5270 - 1510], in the great city of Constantinople.” Constantinople, 1510. Page Count: [40] leaves. Size: 19.5 cm. Title page with a decorative border. Condition: Restoration to margins of the opening leaves and upper corners of several others; a few tiny holes, some stains. Fine new leather binding. Bibliography: Stefansky, Sifrei Yesod, no. 528 Yaari, Constantinople, no. 9 On Mavo HaTalmud and its author, see the introduction to Seder Tannaim veAmoraim, ed. A. Metzger, p. 3 ___________ The principles of the Talmud are a cornerstone of Gemara study — like any instruction manual. As Rabbi Shmuel Algazi writes in his introduction to 'Yavin Shemuah': ”It is well known that only through understanding the principles of the Gemara thoroughly can one truly grasp any sugya.” “Remember, my son: at least twice a year you should learn the sefer Halichos Olam, to reveal the hidden depths of its rules, with clarity….. It is essential for students, and surpasses all that came before it.”  —Will of Rabbi Gedaliah ben Yichye, author of Shalsheles HaKabbalah