document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1208139>Question 1208139</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use set-builder notation to denote the set of all even digits.\r<BR>\n" );
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document.write( "Let me see. \r<BR>\n" );
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document.write( "Let E = set of even digits\r<BR>\n" );
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document.write( "E = { x | x is an even digit } = { 0,2,4,6,8 }\r<BR>\n" );
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document.write( "Why is 0 an element of set E? </SPAN>\n" );
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document.write( "Why is 0 an element of set E?<BR>\n" );
document.write( "Because 0 can be written in the form 2k where k is an integer.<BR>\n" );
document.write( "In this case, k=0.\r<BR>\n" );
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document.write( "2k = 2*0 = 0<BR>\n" );
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