00280    a2200109   4500020001500000082001500015100002300030245003400053260004800087300001900135650001600154  a0198751206  a510.1bPHI  aHart, W.D. - eed.  aThe philosophy of mathematics  aOxfordbOxford University pressc1996g1996  avi,316p.c20cm  aMathematics