While CBS is taking a gamble on a relatively unknown (and unproven) talent, to many critics this decision was all too predictable.
[It] is ludicrous to make such a risky and unproven view the centerpiece of European science policy.
Similar but also unproven charges also dogged him during his first tenure at the ministry, say the senior ministry officials.
Beyond being untrue and unproven, the Obama money charges against Republicans are completely hypocritical.
But based on the little information we have, the unproven accusation that he is a spy is egregious.
As that Article was by unanimous consent abandoned and never put to vote, all its allegations logically fell as unproven.
There are many and conclusive reasons for rejecting this unproven claim.
Your unproven statements are highly improper in their innuendo of collusion by an officer of this court.
In short, so far from being a great universal philosophy, it is simply a disjointed combination of unproven theories.
What I saw through that ultramicroscope was not an unproven theory, but a fact.
late 12c., pruven, proven "to try, test; evaluate; demonstrate," from Old French prover, pruver "show; convince; put to the test" (11c., Modern French prouver), from Latin probare "to make good; esteem, represent as good; make credible, show, demonstrate; test, inspect; judge by trial" (source also of Spanish probar, Italian probare), from probus "worthy, good, upright, virtuous," from PIE *pro-bhwo- "being in front," from *pro-, extended form of root *per- (1) "forward, through" (see per), + root *bhu- "to be" (cf. Latin fui "I have been," futurus "about to be;" Old English beon "to be;" see be). Related: Proved; proven; proving.