Which of the following is the best example of deductive reasoning? A. All college professors have master's degrees. Oren is a college professor, so he must have a master's degree. B. Brent needs a new car. He's not sure what he wants, so he goes out and test-drives a few cars before he makes his choice. C. Alisha wants to take a class over the summer. She asks friends for suggestions and chooses the class that most of her friends are taking. D. Ruby wants to buy a new red jacket but she's not sure which one.

A. All college professors have master's degrees. Oren is a college professor, so he must have a master's degree is the best example of deductive reasoning

Further explanation

Logical reasoning is process of using a rational, systematic of steps based on mathematical procedures and given statements to arrive at a conclusion. There are two basic forms of logical reasoning which most associated with mathematical thinking: Deductive and inductive reasoning

Deductive reasoning is the reasoning process from one or more statements to reach logically certain conclusion.

The differences between deductive reasoning and inductive reasoning is, inductive reasoning moves from specific instances into generalized conclusion, whereas deductive reasoning moves from generalized principles which known true to a true and specific conclusion.

For example, the premise "Every A is B" can be followed by another premise, "This C is A." and these will be lead to the conclusion "This C is B."

All college professors have master's degrees. Oren is a college professor, so he must have a master's degree is the best example of deductive reasoning, because

All college professors have master's degrees = All A have B

Oren is a college professor = C is A

He must have a master's degree = C is B.

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Answer details

Grade: 9

Subject: english

Chapter: deductive reasoning

Keywords: deductive reasoning