000 00258pam a2200109a 44500
008 230405s2014 xxu||||| |||| 00| 0 eng d
041 _aENG
100 _aIrving M.Copi
245 _aSymbolic Logic
260 _anew delhi
_bPHI Learnig
_c2014
906 _a15557
999 _c306056
_d306056