صالح رشيد. “علاقة المنطق بالرياضيات عند رسل ـ " حساب الفئات &Quot; نموذجاً ـ”. Tishreen University Journal- Arts and Humanities Sciences Series 27, no. 1 (December 17, 2018). Accessed July 22, 2024. https://journal.tishreen.edu.sy/index.php/humlitr/article/view/5617.