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Are you David Heyd, author of the books below?
אתיקה ורפואה by David Heyd Toleration by David Heyd Genethics by David Heyd Supererogation by David Heyd Calculus Alternate 3rd Edition Study and Solution Guide by David Heyd Etiḳah u-refuʼah (Sifriyat "universiṭah meshuderet") by David Heyd Handbook of Supererogation by David Heyd


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