000			00319nam a2200145Ia 4500
008			180611s9999||||xx |||||||||||||| ||und||
020			_a23249404
041			_aen
082			_a160
100			_aCopi, I.M.
245		0	_aInformal Logic
260			_aNew York _bMacmillan Pub. Co. _c1986
300			_a354p
942			_cLL
999			_c7313 _d7313