[GAIUS libro septimo ad edictum prouinciale. ] §8.4.3.prDuorum praediorum dominus si alterum ea lege tibi dederit, ut id praedium quod datur seruiat ei quod ipse retinet, uel contra, iure imposita seruitus intellegitur.
[GAIUS, On the Provincial Edict, Book 7] If the owner of two estates transfers one of them to you on the condition that the estate which is transferred shall be subject to a servitude to the one which he himself retains, or vice versa, a servitude is understood to be legally established.