My mom and sisters are visiting. We went down to old city and did some touristy stuff like look at the liberty bell and congress hall and whatnot. It was nice to have an excuse to; it was genuinely kind of neat to see all that historical-ish stuff.
In the morning I saw that same Joel Hamkins that I just mentioned the other day give a talk about a "Multiverse View of Set Theory" at a set theory/logic workshop happening today. It sounded as if the audience regarded it as a rather heterodox sort of talk, but it seemed completely commonplace to me to deny that there is really such a thing as a single, canonical, One True Standard model of set theory.
In the morning I saw that same Joel Hamkins that I just mentioned the other day give a talk about a "Multiverse View of Set Theory" at a set theory/logic workshop happening today. It sounded as if the audience regarded it as a rather heterodox sort of talk, but it seemed completely commonplace to me to deny that there is really such a thing as a single, canonical, One True Standard model of set theory.