document.write( "Question 187511: find the cardinal number for each set \r
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Algebra.Com's Answer #140655 by user_dude2008(1862)\"\" \"About 
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A={x | x is a letter in the word six} = {s, i, x}\r
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\n" ); document.write( "\n" ); document.write( "3 elements ----> cardinal number is 3
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