If such a method ever proved valid, it would have staggering implications.

The custom proved valid during the last two dreadful weeks, retracing their way back on course.

One of their chief reservations was that a commission would ultimately create more controversy than consensus, and those fears proved valid.

Besides, an empath's ability to sense impressions of an idea system has been proven valid.

Her initial instinct to trust him, though, proves valid.

Only 2,472 signatures were proved valid, and the recall effort failed.

The result of the court case is not known, but either scenario could prove valid.

"Or that they have virtually always been proven valid in some way."

It makes you wonder if any of these other biochemistries will prove valid.

Several had claimed to have discovered this before; thus far, none of the claims had proved valid.