00334nam a2200145Ia 4500003000500000008004100005020000900046040000900055041001200064082002100076100001500097245004000112260002100152650001500173NDCL180829s9999||||ii |||||||||||||| ||eng||  a3600  aNDCL  aEnglish  a121 AAJ216th ed  aAyer, A.J. 4aThe problem of knowledgecA.J. Ayer  c0bPenguin Books  aPhilosophy