Schröder-Bernstein theorem
From Conservapedia
The Schröder-Bernstein theorem states:
Let A, B be sets, if |A| ≤ |B| and |B| ≤ |A|, then |A| = |B|.
The Schröder-Bernstein theorem states:
Let A, B be sets, if |A| ≤ |B| and |B| ≤ |A|, then |A| = |B|.