![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
Conditional statement: If a number is a rational number, then the number is an integer.
\Hypothesis: a number is a rational number.
\Conclusion: the number is an integer.
\The statement is false. The number ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ace9d42c84155f98be8a34e8310a4ea3.png\")
is a counterexample, because ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ace9d42c84155f98be8a34e8310a4ea3.png\")
is a rational number but it does not an integer.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
Hypothesis: a number is a rational number,
\Conclusion: the number is an integer and the statement is false.