Wikipedia: Grand unification theory

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Changed: 2,3c2

the [strong nuclear interaction]? and [electroweak interaction]?. Several such theories have been proposed, but none is currently universally accepted. The (future) theory that will
include also gravitation? is termed theory of everything.

the [strong nuclear interaction]? and [electroweak interaction]?. Several such theories have been proposed, but none is currently universally accepted. The (future) theory that will also include gravity is termed theory of everything.

Grand unification or Grand unified theory refers to a theory in physics that unifies the [strong nuclear interaction]? and [electroweak interaction]?. Several such theories have been proposed, but none is currently universally accepted. The (future) theory that will also include gravity is termed theory of everything.