Sinclair, Angus 1905-1954.
The traditional formal logic : a short account for students / W. A. Sinclair - 5th ed. - London : Methuen, c1959. - 103 p.; 20 cm.
Logic.
160 / SIT
The traditional formal logic : a short account for students / W. A. Sinclair - 5th ed. - London : Methuen, c1959. - 103 p.; 20 cm.
Logic.
160 / SIT