000			00319nam a2200145Ia 4500
082			_a160 _bJOI
100			_aJoseph, H. W. B. _936466
245			_aAn introduction to logic
260			_aOxford: _bClarendon Press, _c1970.
300			_b608p.
500			_aHB
546			_aEng
650			_aLogic _936467
942			_cBK
999			_c28338 _d28338