00277nam a2200121Ia 4500082002000000100002100020245004100041250000900082260003900091300001500130500000500145700000500150  a511.3bSt875.SL  aStoll, Robert R.  aSets, logic and axiomatic theoriesb  a2nd.  aSan FranciscobW. A. Freemanc1974  axii, 233p.  a  a