Main properties of propositional logic

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Propositional calculus has several different ways to “validate” propositions: deduction systems that demonstrate theorems and semantic methods that define tautologies. The question that arises is whether these methods coincide. Decidability, coherence, completeness, compactness The fact that any proposition is demonstrable … Read More

The flying casinos

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Airbus is in discussion with more clients interested to use the world’s biggest passenger plane, Airbus superjumbo A380, into a flying casino. David Velupillai, marketing director for Airbus’s executive and private aviation division, said a fully-fitted casino could be delivered … Read More

Las Vegas, the Macau of America

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Interesting change, isn’t it? It seems that starting with this year, Las Vegas will be no more the capital of the gambling world. The Sin City is growing old. In accordance with Macau’s Gaming Inspection and Coordination Bureau, casinos in … Read More