That "the germ is an energy complex" is no doubt an unproved hypothesis, as he admits, but is quite likely.
He was an unproved brave1667; he provided nothing for his Fol.
On examination the proof appears to involve two unproved assumptions.
He declares that every case into which he examined turned out to be unproved.
The solution offered by the Stoics is merely a verbal and unproved distinction: διαφέρει δὲ φαντασία καὶ φάντασμα.
"Only unproved knights are yet in the field," said Palamides.
But in all places yet unproved the public should be free to peg out claims and try their fortune.
He must not go to the police, or to the committee, with an unproved tale.
It is poor as the reasoning material fails to meet the facts, or is out of harmony with the most probable of the yet unproved.
The unproved value of submarines only deepens the mist which overhangs the next naval war.
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.