Dean didn't comment on Fred's unproved assumption.
Nevertheless, though unproved, Anne's guilt is more than probable.
Embracing the whole philosophic movement under the name of "the Cartesian system," Reid detects its fundamental error in the unproved assumption shared by these thinkers "that all the objects of my knowledge are ideas in my own mind."
In 1876, in consequence of unproved accusations of corruption, he resigned.
But this is both unproved and improbable.
How would you define unproved? Add your definition here.