Sentence examples for has proved debatable from inspiring English sources

But things have not gone well on the ice, and the theory that a close team makes a good team has proved debatable.

Health has proved trickier.

This has proved hard.

That has proved wrong.

That has proved inadequate.

He has proved that.

It has proved useful.

So it has proved.

This has proved invaluable.

"Science has proven it.

He has proven results.