Cantor-Schröder-Bernstein theorem
= Cantor-Schröder-Bernstein theorem
{c}
{wiki}
If there are injections $X\to Y$ and $Y\to X$, then there is a bijection $X\cong Y$.
= Cantor-Schröder-Bernstein theorem
{c}
{wiki}
If there are injections $X\to Y$ and $Y\to X$, then there is a bijection $X\cong Y$.