See also: reductionism vs. ending the conversation before the heat-death of the universe.posted by Ryvar at 10:48 AM on September 15, 2011 what is your criterion for determining whether something is 'real' or 'exists'?posted by empath at 10:49 AM on September 15, 2011 what is your criterion for determining whether something is 'real' or 'exists'?