8 "This is a copyleft [license](/license)"
10 "Copyleft guarantees [freedom](/freedom) of [users](/user)"
18 To describe a [licensing](/license)" tool to ensure [users'](/user) [freedoms](/freedom)
20 As a humorous subversion of the term "[copyright](/copyright)" – where copyright limits [users'](/user) [freedoms](/freedom), copyleft promotes them
26 {% block recommendations -%}
28 Use only to describe a specific kind of [licenses](/license) (like GNU GPL or CC BY-SA)
30 Underline the values of copyleft mechanism