User blog comment:P進大好きbot/Elementary Large Number beyond PTO(Π11-CA0)/@comment-34422464-20190603175154/@comment-35470197-20190604004857

We usually read textbooks on several topics of the branches of mathematics which I listed up above. Since almost all mathemacal arguments are based on the same foundation (first order set theory), we can learn generic way to argue in mathematics after spending years for this training.