Columbia subject headings:
Islamic philosophy.
Logic--Arab countries.
Muẓaffar, Muḥammad Riḍā, 1904-1964. Manṭiq.
Harvard subject headings:
Logic.
Muẓaffar, Muḥammad Riḍā, 1904---Contributions in logic.
Princeton subject headings:
Logic.
Muslim logicians.
Muẓaffar, Muḥammad Riḍā, 1904-1964.