TestMagic Forums - View Single Post - reducing |x| inequality

e.cartman · 07-16-2008, 02:37 PM

Is it safe to rewrite the inequality |x| > |y| as x^2 > y^2 ?
Is there anywhere this can go wrong? do you see any gaps? Please let me know.

07-16-2008, 02:37 PM	#1 (permalink)
e.cartman Sweeeeeeet! Join Date: Apr 2008 Posts: 924	reducing \|x\| inequality Is it safe to rewrite the inequality \|x\| > \|y\| as x^2 > y^2 ? Is there anywhere this can go wrong? do you see any gaps? Please let me know.