Formal logic : an introductory textbook /
Mourant, John Arthur, 1903-1994
Formal logic : an introductory textbook / John A. Mourant. - New York : MacMillan, ©1963. - xvi, 421 p. ; 22 cm. - Christian wisdom series . - Christian wisdom series .
Logica--Manuali
Formal logic : an introductory textbook / John A. Mourant. - New York : MacMillan, ©1963. - xvi, 421 p. ; 22 cm. - Christian wisdom series . - Christian wisdom series .
Logica--Manuali

