He was given some chunks of crystal as proof of his claims.

Ramdev claims to have documented proof of the books' claims.

Otherwise, a default judgment must be issued by a judge, who may require the plaintiff to present proof of his claims.

What if Levtan actually speaks the truth for once and produces proof of his claims?

Yet Bernal had "not offered a single document in proof" of his claims.

He reportedly even handed the $5 bill he received from Rosenzweig as further proof of his claims.

It would be all I need, to become known as the scientist who provided the Apostles with proof of their absurd claims.

I promised that if she showed me proof of her claims, I'd make it right.

As you can imagine, I was more than doubtful and demanded some proof of their claims.

At least she now had some proof of Julian's claims about failing batteries.