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Unformatted text preview: a and b , x , x < x + 1 Every real number is less than one added to itself. x , y x = 2 y Every real number is twice some real number. PART D: INFINITY Infinity , denoted by , is a quantity that is greater than any real number. Negative infinity , denoted by , is a quantity that is lesser than any real number. WARNING 1 : and are not real numbers, though they may be handled differently in higher math....
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- Spring '09