document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1121919>Question 1121919</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if D= {-2, -1, 0, 1, 2} is D a subset of itself? </SPAN>\n" );
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document.write( "Yes, it is.\r<BR>\n" );
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document.write( "Such a subset is called \"improper subset\".\r<BR>\n" );
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