Examples of using "доказана" in a sentence and their english translations:
The Riemann Hypothesis is unproven.
The medicine used proved very effective.
There's still no proof that they're guilty.
All suspects are innocent until proven guilty in a court of law.
Her story was vindicated by a reporter, who found that the police officer had been lying.
but so far, they failed to show a strong connection between the two.
Fermat's Last Theorem was finally proven by English mathematician Andrew Wiles in 1994.