These [lexicographical] hierarchies of nominal concepts are said … It is referred to as the basic level, … [Berlin et al, American Anthropologist, 1973]. Rosch [Rosch et al, Cognitive Psychology, 1976] extended this generalization: for concepts at the basic … Below the base level, little is added to … concrete, tangible objects, but some psycholinguists have argued … [Hoffman and Ziessler 1983].
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