document.write( "Question 1084330: List all subsets of the following: A= {4,5,6,7}\r
\n" ); document.write( "\n" ); document.write( "From my understanding from reading over class notes and textbook, I've got the subsets of: ( I would appreciate your help in understanding this, thank you.)\r
\n" ); document.write( "\n" ); document.write( "{4} {5} {6} {7}
\n" ); document.write( "{4,5} {4,6} {4,7}
\n" ); document.write( "{5,6} {5,7}
\n" ); document.write( "{6,7}\r
\n" ); document.write( "\n" ); document.write( "{4,5,6} {5,6,7}
\n" ); document.write( "{4,5,6,7} This is the whole set.
\n" ); document.write( "{} This is an empty set.
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Algebra.Com's Answer #698447 by ikleyn(52781)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "You missed two subsets, {4,6,7} and {4,5,7}.\r
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\n" ); document.write( "\n" ); document.write( "In total, it should be \"2%5E4\" = 16 subsets, including empty subset and improper subset {4,5,6,7}.\r
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\n" ); document.write( "\n" ); document.write( "Now they all are in place.\r
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