Else Margarete Barth (3 August 1928, Strinda – 6 January 2015, Groningen) was a Norwegian philosopher.
She was a professor of analytic philosophy at the University of Groningen. She died here in January 2015. 
She was a fellow of the Norwegian Academy of Science and Letters.
Life.
She was professor in analytic philosophy at the University of Groningen, from 1977 till 1993. 
She made important contributions to empirical logic, study of argumentation and feminist philosophy.
In Norway she was best known for her study of Vidkun Quisling's idiosyncratic ideology, "Universism". The book on this topic was expanded and issued in English as "A Nazi Interior: Quisling's Hidden Philosophy".
References.
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