Doktor KircheWhat's the opposite of solipsism? because I'm fairly certain only my mind doesn't exist.
Ꮢ๐ϲoᴄo Ⅿoԁｅm Ᏼaｓіliｓk@DerKirche
Externism is the term you're looking for. It's the belief that everything exists except the subject, and is the direct inverse of solipsism.
http://en.wikipedia.org/wiki/Externism