이론 하나가 수학을 거의 망가뜨릴 뻔 한 이야기
Veritasium 한국어 - 베리타시움 · 31:33
The axiom of choice says you can pick one element from each of infinitely many sets, even when no rule tells you which one to pick. The video traces it from Cantor's work on infinity to Zermelo's 1904 proof that any s...