These are the relevant reference from the Books where Proof is mentioned.
I make no pronouncements on these matters, but report them as I find them.
Arrive at your own conclusions.
I wish you well,
I shall accompany you to the cart and see that you board safely." I had no intention of letting him out of my sight. Although I had no proof of the sort which might convince a praetor I was confident that it was Ephialtes of Torcadino who had stolen the letters. It was ironic. I had ridden in the very cart with him.
"The matter of the future ownership of the slave is at issue," said Hemartius. "The deputy counselor has the only documented proof of a specific, recorded ownership presented to the court. This was shown by the noble Tolnar and Venlisius. This, in itself, enables and legitimizes the deputy counselor's action."