I'm just a Figment of your imagination, prove to me I'm not.

I'm here, that much is easy enough to see, but what's the reason I've been summoned here to this spot for you to read this? How can you prove I'm not just some figment of your imagination, taking part in a dream you're unable to become aware of? Am I here to make you aware of the fact that you're dreaming by engaging you in an argument over what it is you perceive? What is it your existence here is missing; perhaps I'm supposed to show you the connections to find what it is you're seeking; or ma...