000			00410nam a22001577a 4500
999			_c9969 _d9969
020			_a0023249803
082			_a511
100			_aCOPI, Irving M.
245			_aSymbollic Logic
250			_a5th ed.
260			_aNew York : _bMacmillan Publishing Co., Inc. , _c1979 .
300			_axiii , 398 p . : _bill . ; 23 cm.
500			_aincludes index
650			_aLogic -- symbolic and mathematics
942			_cBK