00305nam a2200109Ia 4500008004100000082001700041100001500058245003000073260003900103630001800142650003500160211109s9999||||xx |||||||||||||| ||und||  a511.3bANO-L  aAnominna,  0aLogic Papers With Answers  bNATIONAL BOOKSTALLaKottayamc1900  xGeneral Stack  aPhilosophyvMAthematicsxLogic