00432nam a22001457i 4500001001000000005001700010008004100027082002000068100002600088245005600114260004500170300001700215650003600232020001800268SXC01977820260819093654.0260101s1972    ii            000 0 eng d  a511.3 CRO-W222  aCrossley, J N, et al.10aWhat is mathematical logic /cCrossley, J N, et al.  abOxford University Press, London,c1972  ap. ;c22 cm. 0aMathematical logic; Mathematics  a9780198880875