Licensing of Sophia articles

Articles published in Sophia are distributed under a Creative Commons Attribution 4.0 International (CC BY 4.0) licence, and their authors retain copyright without restrictions.Articles in volume 21 (2025) were published under a Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) licence, as stated in each PDF, and keep that licence. Since volume 22 (2026), all articles are published under CC BY 4.0.Details are in the copyright notice.