Article 15 contains in effect two alternative sets of rules.

The local authority associations were subsequently asked to provide an alternative set of proposals.

Should it reveal areas which would fail to meet the standard, then alternative sets of options for emission control can be considered.

It moves from this event into an alternative set of events than the ones that took place on the screen.

But the alternative set would enable us to overcome the multiple stores' ban".

As yet an alternative set of rules that takes this into account has not been fully developed.

To them, the standards still exist, but they have become an alternative set of rules rather than a code of ethics.

And the intellectual need for an alternative set of institutions is itself far less apparent than it was.

A common way "around" Arrow's paradox is limiting the alternative set to two alternatives.

Suppose that there is some predetermined linear ordering of the alternative set.