Quiddity and haecceity as distinct forms of essentialism.
Psychological essentialism operates in two realms that have consequences for our attitudes towards groups and individuals. Although essentialism is more familiar in the context of biological group membership, it can also be evoked when considering unique artefacts, especially when they are emotionally significant items.
School of Experimental Psychology, University of Bristol,Bristol BS8 1TU,United Kingdom.Bruce.Hood@bristol.ac.ukhttp://www.bristol.ac.uk/expsych/people/bruce-m-hood/overview.html.
Bruce
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Hood
D003071:Cognition; D003210:Concept Formation; D006801:Humans; D007858:Learning; D008128:Logic