Same chapter3 marksDifficulty: Medium
State the converse, inverse and contrapositive of "If it rains, the match is cancelled", and say which is logically equivalent to the original.
Propositional Logic
3 marksDifficulty: Medium
State the two distributive laws of propositional logic.
Original Khojo Papers practice question — not from a past board paper.
Answer
p ∧ (q ∨ r) is equivalent to (p ∧ q) ∨ (p ∧ r), and p ∨ (q ∧ r) is equivalent to (p ∨ q) ∧ (p ∨ r).
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
Unlike ordinary algebra, both operations distribute over each other.
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