000 00398 a2200157 4500
020 _a0415133424
041 _aEn
082 _a160
_bHOW
100 _aHowson , Colin
245 _aLogic with trees
_ban introduction to symbolic logic
260 _c1997
_aNew York
_bRoutledge
_g1997
300 _c22 cm.
_axiii,197 p.
650 _aLOGIC-SYMBOLIC AND MATHEMATICAL
650 _aLOGIC
942 _cSR
999 _c24519
_d26066