Everyone knows that dragons don't exist. But while this simplistic
formulation may satisfy the layman, it does not suffice for the
scientific mind. The School of Higher Neantical Nillity is in fact
wholly unconcerned with what DOES exist. Indeed, the banality of
existence has been so amply demonstrated, there is no need for us
to discuss it any further here. The brilliant Cerebron, attacking
the problem analytically, discovered three distinct kinds of dragon:
the mythical, the chimerical, and the purely hypothetical. They were
all, one might say, nonexistent, but each nonexisted in an entirely
different way...