 In a specific sense, however, "" are certain fundamental laws in the form of legal maxims memorialized in the "Corpus Iuris Canonici", comprising 11 that Pope Gregory IX placed at the end of the fifth "Book of Decretals" and 88 that Pope Boniface VIII placed in the final title of "Liber Sextus Decretalium".These rules are deductions, rather than repetitions of legal principles in constitutions or judgments, of several laws on the same subject, and consequently were reserved to the final titles of the two books aforementioned, in imitation of the order of the Justinian Code, specifically the "Digest", Liber l, Titulus 17.While ' are greatly important, few general principles are without some exception.