Olson likes strong coffee, the stronger the better. But he cant distinguish small differences. Over the years,

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Olson likes strong coffee, the stronger the better. But he can€™t distinguish small differences. Over the years, Mrs. Olson has discovered that if she changes the amount of coffee by more than one teaspoon in her six-cup pot, Olson can tell that she did it. But he cannot distinguish differences smaller than one teaspoon per pot. Where A and B are two different cups of coffee, let us write A _ B if Olson prefers cup A to cup B. Let us write A _ B if Olson either prefers A to B, or can€™t tell the difference between them. Let us write A ~ B if Olson can€™t tell the difference between cups A and B. Suppose that Olson is offered cups A, B, and C all brewed in the Olsons€™ six-cup pot. Cup A was brewed using 14 teaspoons of coffee in the pot. Cup B was brewed using 14.75 teaspoons of coffee in the pot and cup C was brewed using 15.5 teaspoons of coffee in the pot. For each of the following expressions determine whether it is true of false.
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