[ULPIANUS libro nono ad Sabinum. ] §28.7.6.prSi quis ita institutus sit, si monumentum post mortem testatoris in triduo proximo mortis eius fecisset: cum monumentum in triduo perfici non possit, dicendum erit condicionem euanescere quasi impossibilem.
[ULPIANUS, in the ninth book on Sabinus.] If anyone has been appointed heir in this manner: "if he should construct a monument within the three days immediately following the testator's death," since a monument cannot be completed in three days, it must be said that the condition vanishes as being impossible.