Langer, Susanne Katherina Knauth,
An introduction to symbolic logic / - 2nd ed. - New York : Houghton Mifflin Company, 1953. - 363p. : diagrs. ; 22cm.
38009247
Logic, Symbolic and mathematical.
BC135 / .L35
164 / LAI
An introduction to symbolic logic / - 2nd ed. - New York : Houghton Mifflin Company, 1953. - 363p. : diagrs. ; 22cm.
38009247
Logic, Symbolic and mathematical.
BC135 / .L35
164 / LAI
