000 00273nam a2200109 4500
245 _aElementary logic
_cby Benson Mates
100 _aMates, Benson
250 _a2nd ed.
260 _aLondon
_bOxford University Press
_cc1972
300 _axii,237p.; 23cm.
082 _a162
_bMAT
999 _c14428
_d14428