000			00451 a2200181 4500
999			_c41249 _d42796
003			ISURa
008			150127b xxu||||| |||| 00| 0 eng d
020			_a8120309707
041			_aEnglish
082			_a511.3 _bCOP
100			_aCopi , Irving M. _95699
245			_aSymbolic logic
250			_a5th ed.
260			_c1979 _aNew Delhi _bPrentice Hall _g1997
300			_bill. _c22 cm. _axii , 398 p.
650			_aMathematic _94332
942			_cLN _2ddc