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Integers ( Z {\displaystyle \mathbb{Z}} , Zahlen, bahasa Jerman dari "bilangan" )
Z = { . . . , − 3 , − 2 , − 1 , 0 , 1 , 2 , 3 , . . . } {\displaystyle \mathbb{Z} = \lbrace ...,-3,-2,-1,0,1,2,3,... \rbrace }