WGU D265 CRITICAL THINKING
EXAMINATION CERTIFICATION EVALUATION
SET SOLVED QUESTIONS AND CORRECT
ANSWERS
◉ Which sentence is a non-proposition?
- If the burglar did not go out the front door, they must have gone out
a window.
- The earth is the third planet from the sun.
- Where are the keys to my car?
- Mount Everest is the tallest mountain in the world. Answer: Where
are the keys to my car?
◉ Did the company really close that deal? It has had a great year.
Where is the president right now? Let's go ask whether the deal was
closed.
In the above paragraph, which sentence expresses a proposition?
- Where is the president right now?
- Did the company really close that deal?
- Let's go ask whether the deal was closed.
,- It has had a great year. Answer: It has had a great year.
◉ Propositions Answer: Statements that can be true or false.
◉ Non-propositions Answer: Sentences that are not statements about
matters of fact (or fiction). They do not make a claim that can be true
or false.
◉ Which sentence expresses a complex proposition?
- Birthday parties can be really fun.
- The cat ate the food, but did not like it.
- Too many employees are used to high-stress work environments in
the United States.
- Why did the monkey escape, and who is responsible? Answer: The
cat ate the food, but did not like it.
◉ If the computer is not fixed, then the company either needs to buy a
new one or will not be able to keep up productivity.
Which of the following breaks down the complex proposition above
into the simple propositions?
- If the computer is not fixed, then the company needs to buy a new
one. The company will not be able to keep up productivity.
- The computer is not fixed. The company needs to buy a new
computer. The company will not be able to keep up productivity.
,- The computer is not fixed. The company either needs to buy a new
one or will not be able to keep up productivity.
- The company does not have enough computers. Answer: The
computer is not fixed. The company needs to buy a new computer.
The company will not be able to keep up productivity.
◉ Simple propositions Answer: Simple propositions have no internal
logical structure, meaning whether they are true or false does not
depend on whether part of them is true or false. They are simply true
or false on their own.
◉ Complex propositions Answer: Complex propositions have internal
logical structure, meaning they are composed of simple propositions.
Whether they are true or false depends on whether their parts are true
or false.
◉ If the new employee wants to succeed, then they need to show up
on time. How many times have we heard the manager complain about
tardiness? Nobody likes a 7 a.m. start time, but it was in the job
description. We should remind the new employee how important this
is.
Which is a simple proposition that is expressed in the above
paragraph?
- The new employee wants to succeed.
- How many times have we heard the manager complain about
tardiness?
- The employees look out for each other.
, - If the new employee wants to succeed, then they need to show up on
time. Answer: The new employee wants to succeed.
◉ The U.S. healthcare system is difficult to navigate, and this
negatively affects many of us. Many people are unsure exactly how
their health insurance coverage works and are not sure where they can
go to get care. What can be done to improve this? If changes are not
made soon, the problem will only get worse.
Which is a simple proposition that is expressed in the above
paragraph?
- Many people are not sure where they can go to get care.
- The U.S. healthcare system is difficult to navigate, and this
negatively affects many of us.
- What can be done to improve this?
- Many people are unsure exactly how their health insurance coverage
works and are not sure where they can go to get care. Answer: Many
people are not sure where they can go to get care.
◉ Bad inferential structure Answer: Every argument with the same
structure as this argument is bad (invalid or weak). The premises do
not, in fact, demonstrate or maybe even support the conclusion. In
other words, we can accept the premises as true without being
compelled to accept the conclusion. There is something wrong with
this argument's general structure.
◉ False premise Answer: This particular argument has a
premise/assumption that is false. There is something wrong with this
argument's particular content.
EXAMINATION CERTIFICATION EVALUATION
SET SOLVED QUESTIONS AND CORRECT
ANSWERS
◉ Which sentence is a non-proposition?
- If the burglar did not go out the front door, they must have gone out
a window.
- The earth is the third planet from the sun.
- Where are the keys to my car?
- Mount Everest is the tallest mountain in the world. Answer: Where
are the keys to my car?
◉ Did the company really close that deal? It has had a great year.
Where is the president right now? Let's go ask whether the deal was
closed.
In the above paragraph, which sentence expresses a proposition?
- Where is the president right now?
- Did the company really close that deal?
- Let's go ask whether the deal was closed.
,- It has had a great year. Answer: It has had a great year.
◉ Propositions Answer: Statements that can be true or false.
◉ Non-propositions Answer: Sentences that are not statements about
matters of fact (or fiction). They do not make a claim that can be true
or false.
◉ Which sentence expresses a complex proposition?
- Birthday parties can be really fun.
- The cat ate the food, but did not like it.
- Too many employees are used to high-stress work environments in
the United States.
- Why did the monkey escape, and who is responsible? Answer: The
cat ate the food, but did not like it.
◉ If the computer is not fixed, then the company either needs to buy a
new one or will not be able to keep up productivity.
Which of the following breaks down the complex proposition above
into the simple propositions?
- If the computer is not fixed, then the company needs to buy a new
one. The company will not be able to keep up productivity.
- The computer is not fixed. The company needs to buy a new
computer. The company will not be able to keep up productivity.
,- The computer is not fixed. The company either needs to buy a new
one or will not be able to keep up productivity.
- The company does not have enough computers. Answer: The
computer is not fixed. The company needs to buy a new computer.
The company will not be able to keep up productivity.
◉ Simple propositions Answer: Simple propositions have no internal
logical structure, meaning whether they are true or false does not
depend on whether part of them is true or false. They are simply true
or false on their own.
◉ Complex propositions Answer: Complex propositions have internal
logical structure, meaning they are composed of simple propositions.
Whether they are true or false depends on whether their parts are true
or false.
◉ If the new employee wants to succeed, then they need to show up
on time. How many times have we heard the manager complain about
tardiness? Nobody likes a 7 a.m. start time, but it was in the job
description. We should remind the new employee how important this
is.
Which is a simple proposition that is expressed in the above
paragraph?
- The new employee wants to succeed.
- How many times have we heard the manager complain about
tardiness?
- The employees look out for each other.
, - If the new employee wants to succeed, then they need to show up on
time. Answer: The new employee wants to succeed.
◉ The U.S. healthcare system is difficult to navigate, and this
negatively affects many of us. Many people are unsure exactly how
their health insurance coverage works and are not sure where they can
go to get care. What can be done to improve this? If changes are not
made soon, the problem will only get worse.
Which is a simple proposition that is expressed in the above
paragraph?
- Many people are not sure where they can go to get care.
- The U.S. healthcare system is difficult to navigate, and this
negatively affects many of us.
- What can be done to improve this?
- Many people are unsure exactly how their health insurance coverage
works and are not sure where they can go to get care. Answer: Many
people are not sure where they can go to get care.
◉ Bad inferential structure Answer: Every argument with the same
structure as this argument is bad (invalid or weak). The premises do
not, in fact, demonstrate or maybe even support the conclusion. In
other words, we can accept the premises as true without being
compelled to accept the conclusion. There is something wrong with
this argument's general structure.
◉ False premise Answer: This particular argument has a
premise/assumption that is false. There is something wrong with this
argument's particular content.
