The validity of ZFC is still an open discussion. My favorite critic of ZFC is Norman Wildberger, who has a great YouTube channel. I found his formulations of c

The validity of ZFC is still an open discussion. My favorite critic of ZFC is Norman Wildberger, who has a great YouTube channel. I found his formulations of complex multiplication, the pythagorean theorem and quadratic forms were particularly worthwhile, even though he comes off as barely computer literate in other videos.