Back to Legenhausen: He is close to Mesbah-Yazdi. Mesbah-Yazdi is a principlist. Although Mesbah-Yazdi, Mohammad Beheshti and Morteza Mottahari were all students of Allameh Tabatabaei (who by the way hold study sessions with Henry Corbin and Seyyed Hossein Nasr), they definitely differed on many subjects, including questions regarding what we might call “interreligious dialogue” for lack of a better term.