document.write( "Question 1189001: If U = Z, find the complement of Z+. \n" ); document.write( "
Algebra.Com's Answer #820201 by ikleyn(52848)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "If  Z+  is the set of all  positive integers  (notice  Z+  is not defined formally in the post),\r
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\n" ); document.write( "\n" ); document.write( "then the complement to  Z+  is the set of  { all negative integer numbers and zero }.\r
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