p disjunction (p conjunction q) <=> p is a tautology.
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Modern Algebra
Logic (XXII)
Tautologies
The Laws of Logic
The Basic Logical Laws
Absorption Laws (II)
Prove that p disjunction (p conjunction q) <=> p is a tautology.
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It is proven that p disjunction (p conjunction q) <=> p is a tautology. The solution is detailed and well presented.
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