[ULPIANUS libro quinquagensimo quinto ad edictum. ] §40.12.18.prIn tantum ergo tenetur, quantum dedit uel in quantum obligatus est, scilicet in duplum.
[ULPIAN on the Edict, book fifty-five.] Therefore, he is liable for as much as he gave, or for as much as he became obligated, that is to say, for double.
§40.12.18.1Sed utrum pretium tantum an etiam id quod pretio accessit duplicetur, uideamus.
But let us see whether only the price, or also that which was added to the price, is doubled.
et putem omne omnino, quod propter emptionem uel dedit
And I should think that absolutely everything which he either gave because of the purchase...