Which of the following is an example of deductive reasoning?
A. Rational numbers are numbers that can be written as a ratio. The number one can be written as a ratio (1:1). Therefore, one is a rational number.
B. One is a prime number. One is a rational number. Therefore, all rational numbers are prime numbers.
C. One is a prime number. One is a rational number. Therefore, all prime numbers are rational.
D. One is a prime number. One is an odd number. Therefore, all odd numbers are prime.
Answer: A. Moving from general to specific allows the learner to draw an accurate conclusion in this example of deductive reasoning. The general category is numbers that can be written as ratios. The sample from that group is the number one.
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What will be an ideal response?