Sentence examples for so difficult to verify from inspiring English sources

Dr. Chung said that given a choice, she would rather work on her own conjectures or on those that have gained a certain fame or notoriety in mathematics because they have been so difficult to verify.

But such claims are so difficult to verify because of a lack of reliable evidence to back them up that "it is virtually impossible for the public to make informed choices about the benefits and harms of advertised sports products, based on the available evidence", according to a study by a team from Oxford University and the British Medical Journal.

No written version of the amendments was publicly available, so it was difficult to verify their contents or wording.

This reporter was unable to reach the interior of the valley where the men live, so it was difficult to verify all of the elders' claims.

Syria bars most foreign journalists from entering the country so it is difficult to verify the accounts of either the government or its opponents.

It is well known that the Sobolev embeddings are no longer compact in unbounded domain, and so it is difficult to verify the process (U t, tau)) associated with the systems to be pullback asymptotically compact.

The Awakening Councils are locally organized so it is often difficult to verify someone's membership from a distance.

Furthermore, the information used for this assessment was rarely specified so that it was difficult to verify the independence between the index test and the reference standard.

"The information is so slim that it will be difficult to verify independently," complains Sebastian Brett of Human Rights Watch, a lobby group.Some see its release as a ploy to put an end to court cases against former military officers.

Foreign journalists have not been allowed to enter Syria, so reports from the country are difficult to verify independently.

However, the testing protocol used in the reported papers is so different that such claims are difficult to verify.