Hacking, Ian Why is there philosophy of mathematics at all?/ Ian Hacking. - 290 p.; 22 cm ISBN: 9781107050174 1107050170 9781107658158 1107658152 Nat. Bib. No.: GBB3A3747 bnb Subjects--Topical Terms: Mathematics--Philosophy.Proof theory Dewey Class. No.: 510.1 / H121w