It was intended, according to Bacher, to uphold Menahem b. Saruḳ's system against the teachings of Ḥayyuj and Ibn Janaḥ, introduced about that time (1143) into Italy by Abraham ibn Ezra.
Bacher's intention was to uphold Menahem b. Saruḳ's system against the teachings of Ḥayyuj and Ibn Janaḥ, who were introduced into Italy around 1143 by Abraham ibn Ezra.