One school of thought held that he was a victim of unproven rumors about Billy Langstrom's accident, spread to Denver by Billy's high school friends.
I want assurances from you and that horrid old Mr. O'Connor that the integrity of my family name will not be stained with unproven lies!
Why should I confuse you with unproven suppositions that may be totally irrelevant?
A fresh at ~mpt of the same kind was then made against Crispi by tF Radical leader Cavallotti, who advanced unproven charges of corruption and embezzlement.
Whatever its faults may be - and it is for our successors to judge of these - there is this to be said in its favour: that it is in nowise dogmatic. The eloquence of facts appeals to the scientific mind nowadays much more than the assertion of crude and unproven principles.