00806nam0-22002891i-450-990001073330403321000107333FED01000107333(Aleph)000107333FED0100010733320000920d1970----km-y0itay50------baengFrege and GodelTwo Fundamental Texts in Mathematical Logicedited by Jean van HeijenoortCambridge [Mass.]Harvard University Press1970116 p.26 cmLogicaRicorsività160Heijenoort,Jean : van47663ITUNINARICAUNIMARCBK9900010733304033217-0987403FI1FI1Frege and Godel336401UNINAING01