Sentence examples for challenging to prove from inspiring English sources

Jay Ritter, a finance professor at the University of Florida, said he thought plaintiffs had a legitimate grievance that they were misled by aftermarket deal making, but that it might be challenging to prove.

The two populations certainly live side-by-side today, but it's challenging to prove that the genetic differences between them were not locked in place at an earlier date when the two were physically separated.

Although many putative heme transporters have been discovered, it has been challenging to prove that these proteins are directly involved with heme trafficking in vivo and to identify their heme binding domains.

It is challenging to prove that functional consequences of variants (usually assessed singly) contribute to disease pathogenesis.

This will be challenging to prove or disprove until radioligands that tag these key proteins are available for functional neuroimaging studies [ 47].

Though direction of causality may be challenging to prove, the establishment of such relationships may help to further explain the manifold connections between diplomatically and medically successful global health interventions [ 62].

Why should the listener be challenged to prove or disprove a statement?

But when challenged to prove the e-mail's authenticity, Mr Nagata admitted that it was, in fact, a fake.

The work and pensions secretary, Iain Duncan Smith, has been challenged to prove that he can fulfil his claim that he could live on £53 a week in benefits.

Democrats, especially African-Americans, are often challenged to prove their tough-on-crime bona fides to voters, and the Cruz appeal offered Burris a chance to make his mark in a high-profile case.

➢ The device makes a request to open a session and is challenged to prove its identity.