000 00390 a2200121 4500
005 20250829164520.0
082 _a510
_bOPM
100 _aThe Open University
_9201532
245 _aLogic I- Boolean algebra
_b: Prepared by the mathematics foundation course team correspondence text 11
_cOpen University
260 _aBletchley, Bucks:
_bThe Open University,
_c1971.
300 _a61p
942 _cBK
999 _c57850
_d57850