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Honeybees Are Disappearing at an Alarming Rate, and Since They

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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


Definitions:

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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