000			00248nam a2200121 4500
020			_a8120309421
082			_a160 _bIRV.I
100			_aIRVING M COPI
245			_aINTRODUCTION TO LOGIC
250			_a9
260			_aNEW DELHI _c1995
942			_cBK
999			_c473576 _d473576