Write the negation of the statement. Remember that the negation of p ? q is p ? ~q.If the box is in the mail, then it will be here by Thursday.
A. If the box is in the mail, then it will not be here by Thursday.
B. The box is not in the mail and it will not be here by Thursday.
C. The box is in the mail and it will not be here by Thursday.
D. The box is in the mail, so it will be here by Thursday.
Answer: C
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