Theses ex l. 2. Rem maioris. C. de Rescind. vendit

...that he has not received even half of the just price, in this case, equity suggests that the contract of sale be rescinded.

VI.

That this might be done according to law, the Emperor Diocletian first established this in Law 2.

VII.

And the benefit of this law has a place in every sale made in good faith between adults (for minors do not use it), even if the stipulation is not confirmed, since it does not otherwise pertain to strict contracts.

VIII.

Although the Emperor here specifically aids the seller, nothing prevents us from saying that the buyer should also be helped by this law.

IX.

And the seller, regarding this Law 2, will be said to be injured if, for example, he sold a thing worth twenty for nine or less.

X.

The buyer, however, will be said to be injured if he bought that thing for forty-one or more.