Section 2-2: Logic. Statement : Any sentence that is either true or false, but not both. Statements are often represented using a letter such as p or q. Example: p : Detroit is a city in Michigan. Section 2-2: Logic. Truth Value : The truth or falsity of a statement.
p: One foot is 14 inches
q: September has 30 days
r: A plane is defined by three noncollinear points.
r^p~p ^ r
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