Remark 8.4.1.2. Definition 8.4.1.1 was introduced by Isbell in [MR175954]. Beware that Isbell uses the term left adequate subcategory for what we refer to as a dense subcategory.
$\Newextarrow{\xhookrightarrow}{10,10}{0x21AA}$
Remark 8.4.1.2. Definition 8.4.1.1 was introduced by Isbell in [MR175954]. Beware that Isbell uses the term left adequate subcategory for what we refer to as a dense subcategory.