Anchor: It is even less true now--and not because America, in the classic pluralist formulation, is a nation of nations, a neutral holding pen for various diasporas; nor because America is some dehumanizing, single-mold melting pot.
Entailed: It is not because this country is some kind of homogeneous society.
Contradiction: It is most certain at this point.
Contradiction: There wasn't a weapon anywhere near me. 
Contradiction: There are people in the library.
Contradiction: Fixed value securities have no set redemption value.
Contradiction: A few people stroll down a street by major program center.