Quote Originally Posted by Goldenspark View Post
The opposite of real is imaginary.
Quote Originally Posted by Goldenspark View Post
An RC is an (imperfect) test that differentiates between real "hard" objects and imagined ones.
You are assuming that we all impart the same meaning to the word "real", but there could be as many definitions of that word, as there are people using it.

You are also assuming that all experiences that are not "hard", are imagined. Therefore you are assuming away any persistent worlds that are not "hard" but are not imagined. This assumption is definitely not shared by everyone.

By your definition the "astral plane" cannot exist - whether or not it in fact does.