000
00304nam a22001211a 4500
999
_c
156092
_d
156092
082
_a
160
_b
VIR/U
100
_a
Virginia Klenk
245
_a
Understanding symbolic logic/
_c
by Virginia Klenk.
260
_a
New Jersey:
_b
Prentice-Hall,
_c
1989.
300
_a
431p.
650
_a
Logic Symbolic
942
_c
BK