So far, they have not come up with conclusive proof.

And yet there was no conclusive proof one way or the other.

At best, they say, there is no conclusive proof one way or another.

I stopped for a second and tried to think what my conclusive proof was.

I'll have conclusive proof all too soon that they're dangerous!

However there was no conclusive proof to support this claim.

But conclusive proof of this phenomenon has not been established.

However, no conclusive proof has surfaced to support these claims.

So far, however, there has been no conclusive proof for this, the most likely of the three scenarios.

A Palestinian security official said he had no conclusive proof of that claim.

There is no conclusive proof that the Chinese plot was ever carried out.

The officials said they did not have conclusive proof of his status, but that reports strongly suggested he was being held.

It is hoped that future work will find more conclusive proof of early occupation.

Thus, two witnesses provide conclusive proof of reality, but one witness does not.

Town officials said, however, that there was little conclusive proof of any role by outside agitators.

The President agrees to break off diplomatic relations but will not go further without conclusive proof.

An inspection of the camp tonight turned up no conclusive proof that men were being trained here.

The incident of the poisoned cream was not a conclusive proof.

It's not conclusive proof, but it'd get people asking questions,' said Curtis.

It can take years before there is fairly conclusive proof about the relation between particular foods and health.

By varying the amount we got more conclusive proof.

This series forms a most conclusive proof of spirit clairvoyance.

Moreover, the Enterprise's medical officer has conclusive proof the disease exists.

There's no conclusive proof that late-night meals cause you to put on weight.

Other times, there is no conclusive proof that the renter was responsible.