Consequences of the desecration and destruction of Alexandrian synagogues as spaces of learning and living : an orientation based on Philo's 'In Flaccum' and 'Legatio ad Gaium' - Steyn, Gert J. (Tempel, Lehrhaus, Synagoge : Orte jüdischen Lernens und Lebens ; Festschrift für Wolfgang Kraus)