Assertion: empire's language | /r/HasProperty | persian
Facets:
Source sentences:
text: The official language of the empire was Persian.
text: Among other Islamic medieval historians, Ibn al-Nadim, for instance, wrote that "The Iranian languages are Fahlavi (Pahlavi), Dari (not to be confused with Dari Persian in modern Afghanistan), Khuzi, Persian and Suryani (Assyrian)", and Ibn Moqaffa noted that Khuzi was the unofficial language of the royalty of Persia, "Khuz" being the corrupted name for Elam.