MCQ
The contrapositive of $(p ∨ q) \rightarrow r$ is.
- A$\sim r \rightarrow (p ∧ q)$
- B$\sim r \rightarrow \sim (p ∨ q)$
- ✓$p \rightarrow (p ∧ q)$
- D$\sim r \rightarrow (\sim p\ ∧ \sim q)$
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