X={1,2,3,4,5} Y={1,2,3,4} X ten Y ye kac tane orten ve " f(1) esit degildir f(2)" olan fonksiyon vardir ? -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.1.409 / Virus Database: 268.15.9/573 - Release Date: 05/12/2006