000 00282nam a22001091a 4500
999 _c172574
_d172574
082 _a160
_bVIR/U
100 _aVirginia Klenk
245 _aUnderstanding symbolic logic/
_cby Virginia Klenk.
260 _aNew Jersey:
_bPrentice-Hall,
_c1983.
650 _aLogic Symbolic
942 _cBK