document.write( "Question 787115: What is an empty number? \n" ); document.write( "
Algebra.Com's Answer #478091 by wilft1(217)\"\" \"About 
You can put this solution on YOUR website!
a number that needs another number to love. lol\r
\n" ); document.write( "\n" ); document.write( "seriously though, do you mean \"Empty Set\"?\r
\n" ); document.write( "\n" ); document.write( "here is the wikipedia definition...
\n" ); document.write( "In mathematics, and more specifically set theory, the empty set is the unique set having no elements; its size or cardinality (count of elements in a set) is zero\r
\n" ); document.write( "\n" ); document.write( "specifically, its a zero with a slash going through it
\n" ); document.write( "
\n" );