To many, these theoretical accounts are mutually exclusive alternatives, with acceptance of either one requiring the rejection of the other.

Some perceive there to be a necessary choice between enrichment and acceleration, as if the two were mutually exclusive alternatives.

In financial theory, if there is a choice between two mutually exclusive alternatives, the one yielding the higher NPV should be selected.

From the reference it can be seen that Galton did not oppose nature to nurture as two exclusive alternatives.

Instead the terms "object-based" and "object-oriented" are normally used as mutually exclusive alternatives, rather than as categories that overlap.

It is not in the interest of visually handicapped pupils or their parents for special schools and integrated provision to be considered either as competitors or as exclusive alternatives.

Taylor sees three stages of a nova effect, an explosion of secularity beginning with "an exclusive alternative to Christian faith"(p299) in the 18th century.

They are not mutually exclusive alternatives.

"Friendship and marriage-and-family are mutually exclusive alternatives. . . . Friendship (especially male-male bonding) belongs to the ways of others."

"Medical therapy complements surgery and is not an exclusive alternative to surgery."