Sentence examples for exactly a proof of from inspiring English sources

But the substance is pretty much the same as what I said: one year of pretty good growth after an incredible decline — growth that still leaves you 15 percent below previous peak — is not exactly a proof of concept for fiscal austerity.

It was a proof-of-concept issue.

"It's exactly what you can't use as a proof of a concept," says Jacques Leibowitch of France's Raymond Poincaré Hospital.

More exactly, while it is true that, if a formula is valid, one can eventually find a proof of it in the logic, there is in general no proof theoretic way to determine that a formula is invalid.

It is also a proof of principle.

"It's a proof of concept".

This is a proof of principle study".

It's a proof of principle.

That mechanism is a "Proof of Claim".

Merced was a proof of concept.

Organic farming is a proof of that.