# Recent writing

**Asaf Karagila**Some thoughts about teaching introductory courses in set theory**Joel David Hamkins**The set-theoretic universe is not necessarily a class-forcing extension of HOD**Samuel Coskey**Equivalence relations and classification problems, parts 1 and 2**Samuel Coskey**On the classification of automorphisms of trees**Joel David Hamkins**The hierarchy of second-order set theories between GBC and KM and beyond**Joseph Van Name**A lesson to be learned from the recent cryptocurrency dip**Joseph Van Name**Generalizations of Laver tables is posted (140 pages)**Peter Krautzberger**The problem with MathML as a web standard (part 3)**Joel David Hamkins**Arithmetic potentialism and the universal algorithm, CUNY Logic Workshop, September 2017**Joseph Van Name**Slides from talk at BLAST 2017 and a rant on giving talks about the classical Laver tables

# Recent comments

**Comments for Asaf Karagila**Comment on Some thoughts about teaching introductory courses in set theory by Harto Saarinen**Comments for Asaf Karagila**Comment on Some thoughts about teaching introductory courses in set theory by Dan Saattrup Nielsen**Comments for Asaf Karagila**Comment on Some thoughts about teaching introductory courses in set theory by Joseph Van Name**Comments for Joel David Hamkins**Comment on Every countable model of set theory embeds into its own constructible universe by Incomparable $omega_1$-like models of set theory | Joel David Hamkins**Comments for Joel David Hamkins**Comment on Local properties in set theory by Neil Barton**Comments for Joel David Hamkins**Comment on The hierarchy of second-order set theories between GBC and KM and beyond by Neil Barton**Comments for Joel David Hamkins**Comment on The hierarchy of second-order set theories between GBC and KM and beyond by Joel David Hamkins**Comments for Assaf Rinot**Comment on Jensen’s diamond principle and its relatives by saf**Comments for Joel David Hamkins**Comment on The hierarchy of second-order set theories between GBC and KM and beyond by Neil Barton**Comments for Joel David Hamkins**Comment on Introduction to proofs, CSI Math 505, Spring 2017 by Monica Selva