How to use "implied" in a sentence

Perpetuity is implied, if not expressed, in the fundamental law of all national governments

To avoid misconstruction of what I have said, I depart from my purpose not to speak of particular amendments so far as to say that, holding such a provision to now be implied Constitutional law, I have no objection to its being made express and irrevocable.

But the cops are a literal bunch, not much impressed by implied threats

A chill spread from the base of his spine, up his back, as he realized what the presence of these men implied about the accident that had killed Danny.