000			00335nam a2200145Ia 4500
008			170101s1967 xx 000 0 und d
082			_a160 J37F
100			_aJEFFREY, Richard C
245		0	_aFormal logic ; its scope and limits
260			_bN.Y. _c1967
300			_a238p
650			_aLOGIC
653			_aLOGIC
942			_2ddc _cB
999			_c28203 _d28203