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Tavist allergy pills sell for $25 a box. Steve, Brian, and Toby are willing to pay $33, $27, and $19, respectively, for a box of Tavist. What is the total consumer surplus for Steve, Brian, and Toby?
Existential Generalization
A logical inference rule that allows for the conclusion that at least one member of a domain possesses a property, based on the existence of a specific example with that property.
Universal Instantiation
A logical rule of inference stating that if a property is true for all members of a category, it is true for any specific member of that category.
Universal Generalization
A logical principle stating that what is true for all instances within a certain category can be applied generally to the entire category.
Quantifier Negation
The process of applying negation to a quantified statement, which involves changing the quantifier ("for all" to "there exists") and negating the predicate.
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