000			00387nam a2200145Ia 4500
008			211109s9999||||xx |||||||||||||| ||und||
082			_a162 _bROY-D
100			_aRoy, Bholanath
245		0	_aDeductive Logic
260			_bNATIONAL BOOKSTALL _aKottayam _c1900
300			_a215p.
630			_xGeneral Stack
650			_alogic _vLogic, Symbolic and mathematical _xGeneralia
942			_cBOOK
999			_c7291 _d7291