Ihunda, Victor Chizi, and Etorobong Godwin Akpan. “A Critical Appraisal of the Concept of Necessity and Necessarily True Proposition”. Central Asian Journal of Social Sciences and History 4, no. 3 (March 30, 2023): 178–190. Accessed August 23, 2025. https://cajssh.casjournal.org/index.php/CAJSSH/article/view/685.