Kerodon

$\Newextarrow{\xRightarrow}{5,5}{0x21D2}$ $\newcommand\empty{}$
$\Newextarrow{\xhookrightarrow}{10,10}{0x21AA}$

Remark 5.0.0.7. The classical theory of fibered categories was introduced by Grothendieck in [MR0217088] (Exposé 6).