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Improve wording in 'subtracting unsigned numbers'
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@ -822,8 +822,8 @@ When adding, {\em unsigned overflow} occurs when ever there is a carry
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When subtracting {\em unsigned} numbers, an overflow only occurs when the
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When subtracting {\em unsigned} numbers, an overflow only occurs when the
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subtrahend is greater than the minuend (because in those cases the
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subtrahend is greater than the minuend (because in those cases the
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different would have to be negative and there are no negative values
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difference would be negative but no negative values
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that can be represented with an unsigned binary number.)
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can be represented with an unsigned binary number.)
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\autoref{sum:3-4} illustrates an unsigned overflow during subtraction:
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\autoref{sum:3-4} illustrates an unsigned overflow during subtraction:
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