A fact is an idea that has been proven true.

Well, very little could ever be proved one hundred percent true.

So deal with him as I prove true to you.

I wanted to report that everything you've told us has proved true.

You said a great many things, some of which have proven true.

"This is probably the only one on the list proved true through a court of law."

And that will continue to be proven true over the next 10 years.

But if it should prove true, then we must stand together.

At least the university's president had proven true to his word, she thought.

And if that proved true, all her work would be for nothing.