This is because inconsistent theories prove everything, including their consistency.

But this theory did not prove to be true.

His theory may well prove to be the correct one.

His theory proves to be correct, and the party defeats her.

He was a bit of a kook, but his theories proved themselves.

It is too early to know whether that theory will ultimately prove correct.

The theory proves that the statement is not needed to write programs.

My theory proves that space and time would disappear along with matter.

In past space accident investigations, early theories often proved wrong.

To some degree, the theory has proved true that diversification within media would pay off.