Test the validity of the argument. Tell and show why the argument is valid or invalid.If Lisa is at home, she is listening to music. She is eating lunch at home. Therefore, she is listening to music.
What will be an ideal response?
Let h = "Lisa is at home"
m = "Lisa is listening to music"
l = "Lisa is eating lunch"
| 1. | h ? m | Hypothesis |
| 2. | l ? h | Hypothesis |
| 3. | h | Subtraction (2) |
| 4. | m | Modus Ponens (1, 3) |
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