A mathematical introduction to logic
Enderton, Herbert B.
A mathematical introduction to logic - New York : Academic Press, 1972 - 295 p.
41206
Lógica simbólica y matemática.
511.3 / E5
A mathematical introduction to logic - New York : Academic Press, 1972 - 295 p.
41206
Lógica simbólica y matemática.
511.3 / E5
