Such a proof is also called an indirect proof, but this term is not altogether satisfactory.
He really gives an indirect proof of the reverse theory, as E. Dubois-Reymond rightly observed in his brilliant memorial speech.
Besides, we have an indirect proof of this in the very results of selective processes as, until now, they are practised.
It is an indirect proof, from the side of particular things themselves, of the identity of all in the One.
History gives us an indirect proof of the power of morality over man.
This declaration, in itself an indirect proof of guilt, occasioned some commotion in the House.
Besides, there is indirect proof that Napoleon looked on our blockade of the northern coasts as not unreasonable.
Since a direct proof is impossible, an attempt was made to construct an indirect proof by a comparison of bodily-organs.
At present I am content with the indirect proof that the existence of such a standard is necessary to the existence of the arts.
This appears to us to be an indirect proof that the half lines in Virgil are often complete as they stand.