Also available: the recorded lectures from the 2021 course instance (most in Swedish, some in English). This repository is mainly the home of the DSLsofMath book (originating from the course lecture ...

PP is a text preprocessor designed for Pandoc (and more generally Markdown and reStructuredText). The PP package used to contain three preprocessors for Pandoc. The recommended way to get PP binaries ...

The poet e.e. cummings, a rare household name who brought avant-garde syntax (and head-turning lowercase usage) to the everyday reader, composed at least one poem per day between the ages of 8 and 22.

The discussion on Tom’s recent post about ETCS, and the subsequent followup blog post of Francois, have convinced me that it’s time to write a new introductory blog post about type theory. So if ...

This blog entry is an excuse for continuing our discussion of cartesian closed categories (CCCs) and the λ-calculus in a slightly more organized way. Let’s focus on more or less “traditional” aspects ...