Children at this level often believe something is true based on a single example.

To illustrate what is meant, I will give a single example.

A single example was built in 1925, but no production followed.

I doubt you could find a single example of my ever having used it myself.

It's the single worst example of the point you were trying to make.

I'm not sure our center has seen a single example.

But the funny thing is they have yet to show even one single specific example.

A single example will be enough to show how this is done.

We have not yet seen a single example of this option being used.

A single example is known on cover dated 1 May 1840.