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According to wikipedia: the term anti-realism is used to describe any position involving either the denial of an objective reality of entities of a certain type or the denial that verification-transcendent statements about a type of entity are either true or false.

Therefore, it is a silly term that means nothing.
"Do you believe in anti-realism?"

"Yes, I deny that verification-transcendent statements about a type of entity are either true or false."

"What?"
by Andrey Biggins May 19, 2009