Mathematical logic :
Steen, S. W. P.
Mathematical logic : with special reference to the natural numbers / S.W.P. Steen. - Cambridge : University Press, 1972. - xvi, 638 p. ;
0521080533
Logic, Symbolic and mathematical.
511.3 / Ma
Mathematical logic : with special reference to the natural numbers / S.W.P. Steen. - Cambridge : University Press, 1972. - xvi, 638 p. ;
0521080533
Logic, Symbolic and mathematical.
511.3 / Ma