Remark 4.7.2.9. The collection of cardinals is well-ordered. That is, if $S$ is any nonempty collection of cardinals, then $S$ contains a smallest element (see Corollary 4.7.1.24).
$\Newextarrow{\xhookrightarrow}{10,10}{0x21AA}$
Remark 4.7.2.9. The collection of cardinals is well-ordered. That is, if $S$ is any nonempty collection of cardinals, then $S$ contains a smallest element (see Corollary 4.7.1.24).