00423nam a22001457i 4500001001000000005001700010008004100027082001800068100002600086245007300112260004700185300001700232650001000249020001800259SXC02752420260819093820.0260101s1998    ii            000 0 eng d  a160 COH-I222  aCohen, Morris Raphael10aIntroduction to logic and scientific method /cCohen, Morris Raphael  abAllied Publishers Ltd., New Delhi,c1998  ap. ;c22 cm. 0aLogic  a9781443722667