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Is the following claim correct?

publish date2022/06/12 23:03:00 GMT+10

volume_mute

If A → B is true, then A must be true

Correct
Incorrect

Correct Answer

Incorrect

Explanation

According to the truth table of A → B , A could be either true or false

A B A → B
T T T
T F F
F T T
F F T

Reference

Mathematical Structures for Computer Science, Discrete Mathematics and its Applications, seventh edition


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