Without such research we shall never have a conclusive demonstration of the need (or lack thereof) to include other indicators in resource allocation to the NHS.

A conclusive demonstration that it's possible to be vulgar and bland at the same time.

And I knew that the absence of erotic material in these letters could offer no conclusive demonstration one way or the other: how does one prove a negative?

In the case of the Deluge traditions, so conclusive a demonstration is not possible, since we have no similar criterion to apply.

In 1851, Jean Bernard Leon Foucault used a long pendulum to make the first conclusive demonstration of the earth's rotation.

Experiments like these provide a fairly conclusive demonstration that, even in simple learning tasks, animals are learning about the nature and location of biologically important events like food.

Reasoning up from our restricted experience cannot supply any definite and conclusive demonstration of the reality and character of God.

More profound was his conclusive demonstration, in 1951, of the helical structure of many proteins.

Psychologist Ray Hyman says that, even if the results were reproduced under specified conditions, they would still not be a conclusive demonstration of the existence of psychic functioning.

Independently of the increased and increasing heat, there was another very conclusive demonstration that the earth had thus suddenly approximated towards the sun.