volume_mute
Is the following claim correct?
publish date: 2022/06/12 23:03:00 GMT+10
volume_mute
If A → B is true, then A must be true
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