000 00485nam a2200157 4500
008 020809s1981 us 0 eng
020 _a0070323216
090 _aBC71
_bJ37
100 1 _aJeffrey, Richard C.
245 1 0 _aFormal logic /
_cRichard C. Jeffrey.
260 _aNew York :
_bMcGraw-Hill,
_cc1981.
300 _axiv, 198 p. :
_bills.
504 _aIncludes bibliographical references
650 4 _aLogic.
951 _p17256
_x00013517
_oBC71/J37
_j070613111139234
_d2000-12-21
_cGC
999 _c12593
_d12593