Solve the problem.Suppose that the following statements are true.(1) If a sedan is a car, then my horse is brown.(2) Either roses are not red or a sedan is a car.(3) Roses are red.Prove: My horse is brown..
What will be an ideal response?
Let p, q, and r denote the following statements:
p = "A sedan is a car."
q = "My horse is brown."
r = "Roses are red."
| 1. | p ? q | Hypothesis |
| 2. | ~r ? p | Hypothesis |
| 3. | r | Hypothesis |
| 4. | p | Disjunctive syllogism (2,3) |
| 5. | q | Modus Ponens (1,4) |
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