000 00378nam a2200157Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a146.4
_bAy976
245 _aLogical positivism
260 _aLondon
_bGeorge Allen & Unwin
_c1959
300 _aviii,455p.
650 _aPositivism
700 _aAyer A J
_4ed.
942 _cBK
999 _c41980
_d41980