Practice Statements And Their Truth Values (8.2)

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10 questions

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6 sample questions

Question 1.
Is '2 + 2 = 4' a statement?
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Ask yourself if the statement can be true or false.
Question 2.
Is 'The sun is a star' true?
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Consider what you know about the sun.
3Question 3.
Which of the following is a true statement?
- The Earth is flat.
- Water is wet.
- The sky is orange.
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Think about the conditions of water.
4Question 4.
True or False: 'All fish are mammals.'
- True
- False
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Recall the classifications of animals.
Question 5.
Consider the statement: 'If it rains, then the ground is wet.' If it is not raining and the ground is still wet, is this statement true or false?
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Remember the implications of an 'if... then...' statement.
Question 6.
Prove whether the following statement is a tautology: 'It is either raining or it is not raining.'
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Consider how many outcomes there are regarding the weather.

6 more questions in this section. Enroll free to practise them all.