000 00276nam a2200121Ia 4500
008 151205s9999||||xx |||||||||||||| ||und||
020 _c0
100 _aVENN, JOHN & D, SC
245 _aSYMBOLIC LOGIC
260 _c1894
_bMACMILLAN
650 _aSYMBOLIC LOGIC
942 _cBK
999 _c208192
_d208192