D265 Critical Thinking
2025/2026
Exam Prep Guide
(Expert Verified Questions and
Answers)
Plus A+ Grade Guarantee
1. Which sentence is a non-proposition? Where are the keys to my
car?
- 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.
1.
,2. Did the company really close that deal? It has It has had a great
year.
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.
3. Propositions Statements that can
be true or false.
4. Non-propositions Sentences that are
not statements about
matters of fact (or
fiction). They do not
make a claim that can
be true or false.
5.
Which sentence expresses a complex The cat ate the food,
proposition? but did not like it.
- 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?
2025/2026
, 6. If the computer is not fixed, then the company The computer is not
fixed. The comeither needs to buy a new one or will not be able
pany needs to buy a new comput-
to keep up productivity. er. The company will not be able to Which
of the following breaks down the com- keep up productivity.
plex 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.
7. Simple propositions 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.
8. Complex propositions Complex propositions
have internal logical
structure, meaning
2025/2026
, they are
- The company does not have enough
computers.
composed of simple
propositions. Whether
they are true or false
depends on whether
their parts are true or
false.
9. If the new employee wants to succeed, then The new employee
wants to sucthey need to show up on time. How many times
ceed.
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.
10. The U.S. healthcare system is difficult to nav- Many people are
not sure where igate, and this negatively affects many of us.
2025/2026
2025/2026
Exam Prep Guide
(Expert Verified Questions and
Answers)
Plus A+ Grade Guarantee
1. Which sentence is a non-proposition? Where are the keys to my
car?
- 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.
1.
,2. Did the company really close that deal? It has It has had a great
year.
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.
3. Propositions Statements that can
be true or false.
4. Non-propositions Sentences that are
not statements about
matters of fact (or
fiction). They do not
make a claim that can
be true or false.
5.
Which sentence expresses a complex The cat ate the food,
proposition? but did not like it.
- 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?
2025/2026
, 6. If the computer is not fixed, then the company The computer is not
fixed. The comeither needs to buy a new one or will not be able
pany needs to buy a new comput-
to keep up productivity. er. The company will not be able to Which
of the following breaks down the com- keep up productivity.
plex 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.
7. Simple propositions 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.
8. Complex propositions Complex propositions
have internal logical
structure, meaning
2025/2026
, they are
- The company does not have enough
computers.
composed of simple
propositions. Whether
they are true or false
depends on whether
their parts are true or
false.
9. If the new employee wants to succeed, then The new employee
wants to sucthey need to show up on time. How many times
ceed.
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.
10. The U.S. healthcare system is difficult to nav- Many people are
not sure where igate, and this negatively affects many of us.
2025/2026
