نظرية جوتلوب فريجه المنطقية 3. Al-Adab Journal, [S. l.], v. 10, n. 10, p. 126–156, 2021. DOI: 10.31973/aj.v10i10.1976. Disponível em: https://aladabj.uobaghdad.edu.iq/index.php/aladabjournal/article/view/1976.. Acesso em: 23 jul. 2024.