Like his father, he was the author of many responsa (published in Leghorn, 1742); his letter, written in the language of the Talmud, to Nathan Nagara in Constantine has been separately reprinted, with an index of passages (Kerem Ḥemed, ix.110 et seq.). His defense of the Talmud, written in 1437 against the attacks of the convert Geronimo de Santa Fé, appeared under the title Milḥemet Ḥobah, and also the title Setirat Emunat ha-Noẓrim, after the second part of his father's Ḳeshet u-Magen.
He was a prolific writer of responsa like his father, who published them in Leghorn in 1742. His letter to Nathan Nagara in Constantine, written in Talmudic language, has been reprinted with an index of passages (Kerem Ḥemed, ix.110 et seq.). He defended the Talmud against Geronimo de Santa Fé's attacks in 1437 and published it under the titles Milḥemet Ḥobah and Setirat Emunat ha-Noẓrim, after his father's work Ḳeshet u-Magen.