If you're interested, the book On the Brink of Paradox covers various sizes of infinity. https://mitpress.mit.edu/9780262039413/on-the-brink-of-paradox/ https:

If you're interested, the book On the Brink of Paradox covers various sizes of infinity. https://mitpress.mit.edu/9780262039413/on-the-brink-of-paradox/ https://mitpress.mit.edu/9780262039413/on-the-brink-of-parad... There was an edX course titled Paradox and Infinity that was normally offered every year around May or June, but it didn't run last year. https://openlearninglibrary.mit.edu/courses/course-v1:MITx+24.118x+2T2020/about https://openlearninglibrary.mit.edu/courses/course-v1:MITx+2... https://www.youtube.com/watch?v=eoxQXiz9ykQ https://www.youtube.com/watch?v=eoxQXiz9ykQ