document.write( "Question 723759: I need help with writing a formal proof for Corollary 2.4.4. \n" ); document.write( "
Algebra.Com's Answer #443381 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
Theorems, axioms and corollaries are numbered differently in each math book. \n" ); document.write( "
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