\"\"

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Conditional statement: If a number is a real number, then the number is a irrational number.

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Hypothesis: a number is a real number.

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Conclusion: the number is a irrational number.

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The statement is false. The number \"\" is a counterexample, because \"\" is a real number but it does not an irrational number.\"\"

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Conditional statement: If a number is a real number, then the number is a irrational number and the statement is false.