verify that p+(pq)' is tautology?
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Answer: compound proposition that is always True is called a tautology. Two propositions p and q are logically equivalent if their truth tables are the same. Namely, p and q are logically equivalent if p ↔ q is a tautology.
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Given;
To prove (p∧q→(p∨q)) is tautology
Formulating the table
p q p∧q p∨q (p∧q)→(p∨q)
T T T T T
T F F T T
F T F T T
F F F F T
∵ All true ∴ Tautology proved.
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