The "Beḥinat ha-Ḳabbalah" is an edition of Leon of Modena's two pamphlets "Ḳol Sakal" and "Sha'agat Aryeh"; these Reggio provided with a preface, and with one hundred critical notes forming the second part of the work. In the preface Reggio outlined Leon of Modena's biography. The notes are independent treatises reviewing Modena's works chapter by chapter, now supplementing, now refuting his views. Reggio's main point is that most of the Talmudic ordinances were not intended for perpetual observance; they were practiced only by the rigorous Pharisees. It was not until much later, he declares, that the casuists ("poseḳim") established such ordinances as a part of the Law. Consequently, Modena was, in many cases wrong in attacking the Talmudists. Reggio's theory has been refuted by Simon Stern in the preface to his German translation of Modena's works published under the title "Der Kampf des Rabbiners Gegen den Talmud im XVII. Jahrhundert."