000
00301nam a2200121Ia 4500
001
26878
008
220811s1979 ###||||g |||| ||spa d
082
_a
511.3
_b
W555
245
0
_a
What Is Mathematical Logic?
264
_c
1979
942
_c
BK
_2
ddc
035
_a
511.3 -W555-What Is Mathematical Logic?-
999
_c
76157
_d
76157