Only in that way, Jupiter said, could they have positive proof.

Absolute, positive proof and she wasn't able to record it.

Enemies of the Committee, yes; they had positive proof those were out there.

No later than yesterday afternoon did he give me most positive proof of his obsession.

Yet this in itself, he said, was not positive proof of a hoax.

Here again, because positive proof is not available, I can only offer you my own theories for your consideration.

The fact that attempts are made to restore it is positive proof.

"Science can give us no positive proof of its existence; it cannot be defined."

"The director demands positive proof of whether or not he was a beyond.

Girls - this is positive proof that you don't have to look like a stick insect.

This is the last event in the life of Fulgentius for which we have positive proof.

She automatically backed away from this positive proof of his madness.

There are, however, no positive proofs, and we prefer only to class it as a simple possibility.

We still had no positive proof that any agents had been caught.

I have in my possession positive proof of this.

The positive color test alone should not be interpreted as positive proof of blood.

Today' s debate is positive proof of this suspicion.

This we refuse in the absence of positive proof.

We have positive proof that in Tortosa the voting was fixed.

There must be positive proof somewhere, some proof that we can find.

The evidence of circumstances is not positive proof, yet Cadfael had no doubts left.

A small thing for positive proof of a cold-blooded, fiendish murder.

Of course there could be no positive proof.

The first positive proof that the objective was even in this part of the galaxy, and the idiot didn't know any details!

And positive proof that the remaining sheep are alive and well.