Problem 271

Problem 271

Suppose jack says that if the temperature is below 50°F , he won’t play tennis. Determine which of the following cases, if any , indicate that jack did not tell the truth:

a. The temperature was below 50° , and he did play tennis.

b.The temperature was below 50° , and he did play tennis.

c.The temperature was above 50° , and he didn’t play tennis.

d.The temperature was above 50° , and he did play tennis.

 

Solution

Option c.

The temperature was above 50° , and he didn’t play tennis.

 

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