Köln, Erzbischöfliche Diözesan- und Dombibliothek 127, fol. 10v |
Gratian, Decretum,
D.4 d.p.c3: Leges instituuntur cum promulgantur, firmantur cum moribus
utentium approbantur. (Laws are
established when they are promulgated and confirmed when they are approved
by the long standing customs of those who obey them). Justinian, Institutes 1.2.9: Nam diuturni mores consensu utentium comprobari legem imitantur (cf. Gratian, Decretum, D.12 c.6) Consuetudo (Costume) Mos (?) |