000			00320nam a2200133Ia 4500
008			180611s9999||||xx |||||||||||||| ||und||
041			_aen
082			_a511.3
100			_aCOPI, Irving.M.
245		0	_aSymbolic logic
260			_bNew York. Macmillan pub. Co. _cinc. 1967
300			_axiii, 398p
942			_cLL
999			_c16336 _d16336