000 00472nam a2200181 4500
008 160616s1994. 000 0
245 _aHow to prove it
_bstructured approach
100 _aVelleman, Daniel J.
250 _a2
260 _aCambridge
260 _bCambridge University
260 _c1994.
300 _aix, 309 p
020 _a0521675995
650 _aLogic, Symbolic and mathematical.
_aMathematics.
942 _cBK
_2BK21120
080 _a510.6 VEL
999 _c21120
_d21120