000 00510nam a2200133Ia 4500
001 3464
008 220811s1981 ###||||g |||| ||spa d
082 _a510.1
_bB561
100 _aBeth, E.W.
_943227
245 0 _aFormal Methods, An Introduction To Symbolic Logic and To The Study of Effective Operations In Arithmetic and Logic.
264 _c1981
942 _cBK
_2ddc
035 _a510.1 -B561-Formal Methods, An Introduction To Symbolic Logic and To The Study of Effective Operations In Arithmetic and Logic.-
999 _c33548
_d33548