Title: Tasdīd al-qawāʻid fī sharḥ Tajrīd al-ʻaqāʼid
Subjects: God (Islam), Early works to 1800, Islam, Doctrines, Sufism, Islamic philosophy, Dieu (Islam), Ouvrages avant 1800, Soufisme, Philosophie islamique, Tajrīd al-iʻtiqād (Ṭūsī, Naṣīr al-Dīn Muḥammad ibn Muḥammad)
People: Maḥmūd ibn ʻAbd al-Raḥmān Iṣfahānī (1275 or 1276-1348 or 1349), Naṣīr al-Dīn Muḥammad ibn Muḥammad Ṭūsī (1201-1274)