course Mth 151
6/26 9
Question: `q001. There are 4 questions in this set.
Two statements are said to be negations of one another if exactly one of the statements must be true. This means that if one statement is true the other must be false, and if one statement is false the other must be true. What statement is the negation of the statement 'all men are over six feet tall'?
YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY
Your solution:
Some men under 6 feet
3
Ok
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Question: `q002. What is the negation of the statement 'some men are over six feet tall' ?
YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY
Your solution:
No men over six feet tall
3
Ok
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Question: `q003. As seen in the preceding two questions, the negation of a statement that says 'all are' or 'all do' is 'some aren't' or 'some don't', and the negation of a statement that says 'some are' or 'some do' is 'all aren't' or 'none are', or 'all do not' or 'none do'. Each of the following statements can be expressed as and 'all' statement or a 'some' statement. Identify which is which and give the negation of each statement:
1. Every dog has its day.
2. Some roses are black.
3. Every attempt fails.
4. In some cases the desired outcome isn't attained.
YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY
Your solution:
1 is some 2 is all 2 is some and 4 is all
3
Ok
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Question: `q004. Negate the following statements:
1. No roses are black.
2. Some roses are not black.
3. There were Dodo birds that weren't stupid.
4. There were never turtles that weren't slow.
YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY
Your solution:
Some roses are black
All roses are black
All dodo birds were stupid
Some turtles were fast
"
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