On numbers and unicorns

Reading a book on philosophy of mathematics, even if it's written lightly, such as that one, Why is there philosophy of mathematics at all? by Ian Hacking, may have unexpected effects. The most visible one has been a poll that I submitted on Mastodon on December 4th. As you can read, there were four options: Numbers exist Unicorns exist Numbers have more existence than unicorns Neither numbers no…