Mathematics Foundations of Mathematics Set Theory Logic
https://plato.stanford.edu/entries/infinity/
http://cantorsattic.info/Cantor%27s_Attic
https://superbowl.substack.com/p/church-of-reality-cantor-on-infinity
https://johncarlosbaez.wordpress.com/2016/06/29/large-countable-ordinals-part-1/
https://johncarlosbaez.wordpress.com/2016/07/04/large-countable-ordinals-part-2/
https://johncarlosbaez.wordpress.com/2016/07/07/large-countable-ordinals-part-3/
https://johncarlosbaez.wordpress.com/2016/09/08/struggles-with-the-continuum-part-1/
https://johncarlosbaez.wordpress.com/2016/09/09/struggles-with-the-continuum-part-2/
https://johncarlosbaez.wordpress.com/2016/09/12/struggles-with-the-continuum-part-3/
https://johncarlosbaez.wordpress.com/2016/09/14/struggles-with-the-continuum-part-4/
https://johncarlosbaez.wordpress.com/2016/09/19/struggles-with-the-continuum-part-5/
https://johncarlosbaez.wordpress.com/2016/09/21/struggles-with-the-continuum-part-6/
https://johncarlosbaez.wordpress.com/2016/09/23/struggles-with-the-continuum-part-7/
https://johncarlosbaez.wordpress.com/2016/09/25/struggles-with-the-continuum-part-8/
Shaughan Lavine - Understanding the Infinite