000 00402 a2200157 4500
003 Libseu
008 170209b xxu||||| |||| 00| 0 eng d
041 _aEnglish
082 _a160 LAN
_bAA003873
100 1 _aLanger, Susanne K.
245 1 0 _aAn introduction to symbolic logic /
260 _c1967
_aNew York :
_bDover Publications
_g1967
300 _a367p.
650 _aLogic
942 _cPRB
_2ddc
999 _c50365
_d50365