[대학교이상] X->X^2 bijective는 X가 무한이면 항상존재 증명

[익명(118.235)]

궁금해요 증명을 어떻게하나요?

- dc official App

[익명(am1196)]

https://math.stackexchange.com/questions/1383755/cardinality-of-the-cartesian-product-of-two-equinumerous-infinite-sets
- dc App

[익명(am1196)]

추천순 두 번째 답의 I searched the web for this approach and found it here - theorem B3 in the appendix combines both, showing first that의 here 들어가보면 증명 있음 - dc App