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In this video I will use deductive reasoning to see which of the 4 following conclusions are true: 1) John bought a hot dog, 2) Mary bought a hot dog, 3) John and Mary went to the game, and 4) John drank Mary's Coke; given the following rules: 1) If John goes to the game. He will buy a hot dog; 2) If the game is not sold out, both will go; 3) If Mary goes to the game, she will buy a Coke; 4) The game is not sold out. (Example 6)
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