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Clavis TMUA Set C Paper 2 · Q12

Paper 2Logic & proof

Consider the following statement:

For every real number xx there is a real number yy such that xy>1xy>1.

Which one of the following is the negation of this statement?

AFor every real number xx there is a real number yy such that xy≤1xy\leq1.
BFor every real number xx and every real number yy, xy≤1xy\leq1.
CThere is a real number xx such that there is a real number yy with xy≤1xy\leq1.
DThere is a real number xx such that for every real number yy, xy>1xy>1.
EThere is a real number yy such that for every real number xx, xy≤1xy\leq1.
FFor every real number yy there is a real number xx such that xy≤1xy\leq1.
GThere is a real number xx such that for every real number yy, xy≤1xy\leq1.
HThere are real numbers xx and yy such that xy≤1xy\leq1.

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