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Minkowski'sQuestionMarkLessTheIdentity. en Minkowski's question mark less the identity ca Funci signe d'interrogaci menys la identitat es Funcin de signo de interrogacin de Minkowski menos la identidad enwp Aominux Aominux Minkowski questionmark plot qm svg Original upload log page en Minkowski sQuestionMarkLessTheIdentity Aominux