Apologies (opens in new tab)

Two apologies are in order. First, those clicking on saved links pointing to Logic Matters will often have been getting “Page not found” errors since the site moved to GitHub. This was inevitable, given that the ramshackle old folder structure got cleaned up in the move, so URLs for many particular pages will have changed. But what was not inevitable is that I didn’t have the gumption (until Gemini gave me a talking-to) to set up a friendly 404.html page that actually tells you that things ha...