00365nam a2200145Ia 4500008004100000020001500041041000800056082001300064100002300077245003500100250000600135260005100141300001200192650001500204210716s1991    xx            000 0 und d  a0534145140  aeng  a160 HURP  aHurley, Patrick J.  aConcise introduction to logic.  a4  aCaliforniabWadsworth publishing companyc1991  axii,596  aLogic(160)