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Honeybees are disappearing at an alarming rate, and since they pollinate about a third of all the foods we eat, it is an important concern. That's why Ben & Jerry's launched a microsite to increase the awareness of the issue. In addition, it launched a "Twitcause" campaign on Twitter, raising $7,000 in two days. This example illustrates the positive consequences of
Open Sentences
Statements in mathematics containing one or more variables, whose truth or falsity can vary depending on the values of these variables.
Scope
The portion of a statement in symbolic notation that is governed by a quantifier.
Truth-Functional Compound
A complex statement formed by combining simpler statements with logical connectives, where the truth value depends solely on the truth value of its components.
Quantifier
A term in logic that specifies the quantity of specimens in the domain of discourse that satisfy an open sentence.
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