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13. It is formed by adding NOT to a given word or words.
A. Addition
C. Negation
B. Conditional
D. Reciprocal
14. What is the inverse of the statement, "Mark finds Mathematics challenging."?
A. If he finds Mathematics challenging, then he is Mark.
B. If he is Mark, then he finds Mathematics challenging.
C. If the person is Mark, then he finds Mathematics challenging.
D. If the person is not Mark, then he does not find Mathematics challenging.
statement and its
haclool​