In 1912 he provided a new proof based on variational methods.

This is new proof that the government must change course.

Republicans found new proof that Democrats reflexively thought government spending was the key to everything.

I have asked for new and proper proofs in Amsterdam.

The Shadow was soon to have new proof of it.

Why should a new proof, however compelling, have a different effect?

Each day that we were together brought new proofs of it.

What has happened since is stunning new proof, in a cynical time, that the American dream still works.

Any new proof that arises from these cases must be investigated.

Every day brings us new proof that it has not.