Therefore, a special set of terms exists, used mainly in palaeontology.

Few sets of foul papers actually exist from the era in question.

He said that those two sets of ideas could exist in all four combinations.

Non-animated sets exist and can be used in such cases.

In Chapter 14 we explained why only a very limited set of future markets actually exists.

A set of commands exists to control such things.

Whether such sets exist is known as Post's problem.

Only 55 complete sets of the stamps exist, and each set is worth more than $100,000.

Different sets of controls exist now in the privately run offices, he said.

As you probably know, a special set of rules exists in the Community governing state aid to the motor vehicle industry.