000 00271pam a2200121a 44500
082 _a160
_bH874E
100 _aHughes, G.E.
245 1 _aTHE ELEMENTS OF FORMAL LOGIC
260 _a
_bMethutn & Co
_c1965
700 _aLondey, D.G.
964 _gCIRC
997 _a38794 C
999 _c408260
_d408260