00374nam a2200145Ia 4500003000500000008004100005020000900046040000900055041001200064082002100076100002700097245005900124260003000183650001500213NDCL180829s9999||||ii |||||||||||||| ||eng||  a4150  aNDCL  aEnglish  a160 SPK216th ed  aSenGupta, Pradip Kumar 0aDemonstration and logical truthcPradip Kumar SenGupta  c1968bAcademic Publishers  aPhilosophy