000 00400nam a22001691i 4500
003 OSt
005 20251030150804.0
008 161224u u
040 _cTRA
082 _a160
100 _aSengupta, P. K.
245 _aDemonstration and logical truth
260 _a,aCalcutta
_bAcademic Publishers
_c1968
300 _ap. 276
653 _aLogic;Pholosophy
942 _cBK
999 _c3031
_d3031