Rambam's Mishneh Torah is invariably studied alongside these three; although a code, and therefore not in the same order as the Talmud, the relevant location is identified via the "Ein Mishpat", as mentioned. A recent project, Halacha Brura, founded by Abraham Isaac Kook, presents the Talmud and a summary of the halachic codes side by side, so as to enable the "collation" of Talmud with resultant Halacha. Pilpul During the 15th and 16th centuries, a new intensive form of Talmud study arose. Complicated logical arguments were used to explain minor points of contradiction within the Talmud. The term pilpul was applied to this type of study. Usage of pilpul in this sense (that of "sharp analysis") harks back to the Talmudic era and refers to the intellectual sharpness this method demanded. Pilpul practitioners posited that the Talmud could contain no redundancy or contradiction whatsoever. New categories and distinctions (hillukim) were therefore created, resolving seeming contradictions within the Talmud by novel logical means. In the Ashkenazi world the founders of pilpul are generally considered to be Jacob Pollak (1460–1541) and Shalom Shachna. This kind of study reached its height in the 16th and 17th centuries when expertise in pilpulistic analysis was considered an art form and became a goal in and of itself within the yeshivot of Poland and Lithuania. But the popular new method of Talmud study was not without critics; already in the 15th century, the ethical tract Orhot Zaddikim ("Paths of the Righteous" in Hebrew) criticized pilpul for an overemphasis on intellectual acuity. Many 16th- and 17th-century rabbis were also critical of pilpul. Among them are Judah Loew ben Bezalel (the Maharal of Prague), Isaiah Horowitz, and Yair Bacharach. By the 18th century, pilpul study waned. Other styles of learning such as that of the school of Elijah b. Solomon, the Vilna Gaon, became popular. The term "pilpul" was increasingly applied derogatorily to novellae deemed casuistic and hairsplitting. Authors referred to their own commentaries as "al derekh ha-peshat" (by the simple method) to contrast them with pilpul. Sephardic approaches Among Sephardi and Italian Jews from the 15th century on, some authorities sought to apply the methods of Aristotelian logic, as reformulated by Averroes. This method was first recorded, though without explicit reference to Aristotle, by Isaac Campanton (d. Spain, 1463) in his Darkhei ha-Talmud ("The Ways of the Talmud"), and is also found in the works of Moses