32 QA

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course mth 151

013. Negation

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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'?

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Your solution: no men are over six feet tall

confidence rating #$&*: none

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Question: `q002. What is the negation of the statement 'some men are over six

feet tall' ?

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Your solution: no men are over six feet tall

confidence rating #$&*: very confident

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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.

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Your solution:

1=all statement - some dogs do not have their day

2-some statement - no roses are black

3-all statement -some attempts fail

4-all desired outcomes are attained.

confidence rating #$&*: very confident

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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.

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Your solution:

1-some roses are black

2-all roses are black

3-all dodo birds were stupid

4-aome turtles are slow

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Self-critique (if necessary):

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Self-critique rating:

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