Not one single fact would any of them take in, without a fee!

That single fact might well mean the difference between life and death.

"Got one single hard fact to back up your suspicions?"

Isn't there a single fact of the matter for market performance?

I've just come to ask if there isn't a single additional fact that you remember.

This single fact would have annoyed him, but it did not stand alone.

Not a single fact she had heard so far was relevant to the case.

He does not cite a single fact or study to support this.

Has anyone ever done a study where they take an edition of a newspaper and check every single fact in it?

And it turned out that he has never once been there to confirm a single fact!