The phrase "convincingly proves" is correct and usable in written English.
You can use it when you are trying to show that something is true or valid. For example: "The evidence she presented convincingly proves that the suspect is guilty of the crime."
One character, the brother-in-law of a British prime minister, is the boss of a London-based business which convincingly proves that the relationship between a firm's productivity and the personal proximity of its employees is an inverse one.
Salt spray test convincingly proves the white rust formation in the scribed region on the painted substrates and in most part of the surface on unpainted surface.
Indeed, it convincingly proves why it is now past time to expand Social Security.
None of these conspiracies have been convincingly proved by the government.
You convincingly prove your point by reproducing the picture of the "old message from Rosetta" the wrong way round.SUSIE VROBELKassel, Germany.
They are entitled to a fair and open trial, and to acquittal if the charges against them cannot be convincingly proved.
The engineering of our food – or its packaging – at the molecular level is still yet to convincingly prove itself as a useful, cost-effective venture.
It has been pretty convincingly proven that the ICT classes of the 1990s did nothing much more than produce students who would make good secretaries; today's emphasis on online isn't useful either.
Hunt's appearance at the Leveson inquiry is critical to his political career, with Labour calling for his resignation and the possibility of an investigation under the ministerial code if he fails to convincingly prove he acted with integrity in his handling of the BSkyB bid.
The link between these pathologies and different aspects of work organization has been convincingly proven.
Never mind that benefits from the practice aren't convincingly proven and that some doctors say it could be dangerous.
