Parsons, Mathematical Thought again — 1

While I'm in Christchurch, we're having a reading group on Charles Parsons's Mathematical Thought and Its Objects. I've blogged about this challenging book before, when we had a reading group in Cambridge. But, with inspiration from new NZ colleagues and some very helpful emails from Charles Parsons himself, I'm having a bash at rewriting (some of) my earlier notes, and trying to come to a better understanding of both the book and the topics it is discussing.

So, for anyone interested, here's...