00325nam a2200121Ia 450000500170000000800410001702000150005805000160007310000180008924500520010726000340015965000100019320251229184255.0251229s9999    xx            000 0 und d  a0792306228  aBC 71 .E67   aEpstei, L. R. 4aThe Semantic foundations of logic.cL. R Epstei  aLondonbKluwer Academicc1990  aLogic