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One of the mutually exclusive
courses of actionattaining the
objectives. alternatives differ in their nature or character,
not only in quantitative details. By mutually exclusive we mean
that the alternatives are competitive in the sense that if A is
selected, B cannot be chosen. A course of action that combines
features selected from both A and B would be a new alternative.
(The synonym "option" is often used in association with the
decision maker, "the decision maker's options were...").