adv was er sagt, ist bewiesenermaßen unwahrit has been proved that what he is saying is untrue, there is evidence to show that what he is saying is untrue; er ist bewiesenermaßen ein Betrügerhe has been proved to be a fraud
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007