00310nam a2200109Ia 4500008004100000040003800041100002300079245003000102260003400132300001200166653002200178211228s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aAyer, Alfred Jules 0aLanguage, truth and logic  bVictor gollanczaLondonc1960  a160p p.  aLogic(Philosophy)