The Nutritional Information on a Cereal Box Shows That One

question 44

Multiple Choice

The nutritional information on a cereal box shows that one serving of a dry cereal has 200 kilocalories. If one were to burn one serving of the cereal, the amount of heat given off would be sufficient to raise the temperature of 20 kg of water how many degrees Celsius?

• A) 0.2°C
• B) 1.0°C
• C) 2.0°C
• D) 10.0°C
• E) 20.0°C

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Definitions:

Universal Generalization

Universal generalization is a logical principle that allows one to infer that something is true for all members of a class from its being true for every observed member.

Quantifier Negation

The process of negating the quantifier in a logical expression, changing its scope or applying negation to the predicate instead.

Existential Generalization

A logical inference saying that if something is true for at least one member of a class, then it can be generalized to the class.

Universal Instantiation

A logical rule of inference that allows for the substitution of specific individual instances for universally quantified variables within a statement.