Geography, 21.09.2019 00:30 deaklet

Write the statement in if-then form.
a counterexample invalidates a statement.
a. if it invalidates the statement, then there is a counterexample.
b. if there is a counterexample, then it invalidates the statement.
c. if it is true, then there is a counterexample,
d. if there is a counterexample, then it is true.

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Write the statement in if-then form.
a counterexample invalidates a statement.
a. if it...

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