RT Book T1 Isagoge: texte grec T2 Sic et non A1 Porphyrius 233-301 A2 Boethius, Anicius Manlius Severinus 480-524 A2 Boethius, Anicius Manlius Severinus 480-524 A2 Libera, Alain de 1948- A2 Libera, Alain de 1948- LA Ancient Greek LA Latin LA French PP Paris PB Vrin YR 1998 UL https://ixtheo.de/Record/1135050252 SN 2711613445