The phrase "allegedly prove" is not correct in standard English usage.
The term "allegedly" implies that something is claimed or asserted without proof, while "prove" indicates establishing something as true. Using them together creates a contradiction.
Example: "The report allegedly proves the existence of the phenomenon, but further evidence is needed."
Alternatives: "supposedly demonstrate" or "reportedly establish".
Blood tests allegedly proving the drunkenness of the driver Henri Paul were deemed "biologically inexplicable" by a toxicologist.
He and his partisans published hundreds of articles and books allegedly proving their contentions, which effectively deny the achievements of biology for at least the preceding century.
If all sorts of different shapes and sizes appeared in adverts and the media, women would soon stop feeling inadequate – a theory allegedly proven by the sensational success of a Dove ad campaign featuring "ordinary" women.
Details of the high court lawsuit will not be made public for 14 days, but it is understood to allege that Judge is the source of leaked documents allegedly proving ENRC made "cash payments to African presidents".
On Sunday, Ukranian forces reported that they had telephone recordings that allegedly proved pro-Russian separatists troops had been ordered to conduct a search for the two flight recording boxes so that they could be handed to Russian officials before being released to the international investigators.
An amateur economist, he created a theoretical model which allegedly proved that mass starvation was an inevitable result of population growth.
ElBaradei makes a very convincing case that U.S. officials were dishonest about their "evidence" that allegedly proved Iraq's culpability.
After seeing a post on 4Chan about the, now debunked, documents that allegedly proved Macron was evading taxes, a user said "just wait for Friday".
Protection racketeering, drug sales, even "raiding" (stealing property by presenting fake documents, backed by a bribed judge, thereby allegedly proving that the real owner signed away his rights or has unpaid debts) are all on the rise.
