The term is used to imply the existence of common duties and obligations between them.

So, in my mind, dense implies the existence of a volume.

And he further argues that economic inequality alone does not imply the existence of classes.

"So does their presence here imply the existence of a third habitat?"

A community would necessarily imply the existence of available water.

This would imply the existence of a considerable Syrian population.

There is already an axiom implying the existence of at least one set.

Sanctions imply the existence of a community in which the violator must live.

The 1990s revived series implied the existence of other hands as well.

He had to imply the existence of a special passkey, else she might try to kill and sell him.