The Equivalence of the Identities: p(q.pr) = (pq.r) and pq.rp = p(qr.p). International Journal of Development Mathematics (IJDM), [S. l.], v. 2, n. 3, p. 094–102, 2025. DOI: 10.62054/ijdm/0203.06. Disponível em: https://ijdm.org.ng/index.php/Journals/article/view/235.. Acesso em: 19 apr. 2026.