Warning 4.7.3.24. The existence of inaccessible cardinals cannot be proven from the axioms of Zermelo-Fraenkel set theory (assuming those axioms are consistent).
$\Newextarrow{\xhookrightarrow}{10,10}{0x21AA}$
Warning 4.7.3.24. The existence of inaccessible cardinals cannot be proven from the axioms of Zermelo-Fraenkel set theory (assuming those axioms are consistent).