Deck 1: The Possibility of the Impossible

Question 1

A study of logic reveals that

A) anything is possible.
B) everything is impossible.
C) there are some things that can't possibly be false.
D) there are some things that are both logically possible and logically impossible.

Answer 1

there are some things that can't possibly be false.

Question 2

The law of non-contradiction says that

A) it's against the law to contradict yourself.
B) some things are non-contradictory.
C) nothing can have a property and lack it at the same time.
D) no one can contradict the word of God.

Answer 2

nothing can have a property and lack it at the same time.

Question 3

Without the laws of thought, communication and thought itself would be

A) impossible.
B) possible.
C) necessarily true.
D) necessarily false.

Answer 3

impossible.

Question 4

Anything that violates the laws of logic is said to be

A) Logically necessary.
B) Logically incomplete.
C) Logically possible.
D) Logically impossible.

Question 5

Married bachelors and square circles can't exist because they are

A) Logically impossible.
B) Technologically impossible.
C) Physically impossible.
D) All of the above.
E) None of the above.

Question 6

ESP is

A) Physically impossible.
B) Logically impossible.
C) Technologically impossible.
D) Logically and physically possible.

Question 7

Which of the following seems to be at odds with the principle of causality?

A) Aliens visiting Earth
B) Precognition
C) A round object that is square
D) ESP (extrasensory perception)

Question 8

The belief that we've been visited by extraterrestrial aliens is improbable because interstellar travel is

A) logically impossible.
B) physically impossible.
C) technologically impossible.
D) all of the above.
E) none of the above.

Question 9

We have good reason to doubt a proposition if

A) it conflicts with other propositions we have reason to believe.
B) it conflicts with our background information.
C) it conflicts with the opinions of experts on the topic.
D) All of the above.
E) None of the above.

Question 10

Which of the following is the best example of the "Appeal to Ignorance" fallacy?

A) If you do not believe in the devil, he will possess you until you do.
B) Everyone believes in God, so he must be real.
C) No one has proven that there is no Loch Ness monster, so Nessie must be out there.
D) All of the above.
E) None of the above.

Question 11

If something is physically impossible, then it is inconsistent with

A) the laws of technology.
B) the laws of mysticism.
C) the laws of nature.
D) the laws of logic.

Question 12

If something violates the law of non-contradiction it is a

A) logical impossibility.
B) physical impossibility.
C) technological impossibility.
D) all of the above.

Question 13

What is the difference between logical possibility and physical possibility?

Question 14

Is ESP logically impossible?

Question 15

Is ESP physically impossible?

Question 16

Consider this argument: No one can explain how it happened. Therefore it must be a miracle. Is this argument a good one? Why or why not?

Question 17

Consider this argument: You can't prove that aliens haven't visited Earth. Therefore it's reasonable to believe that they have. Is this argument a good one? Why or why not?

Question 18

It is logically possible for a triangle to not have three interior angles.

Question 19

It is logically possible for pigs to fly.

Question 20

Einstein's theory of relativity provides a way of looking at the universe that makes it both logically and physically possible for the future to exist now.

Question 21

Accepting a belief in precognition seems to require rejecting a belief in free will.

Question 22

Just because something is logically or physically possible doesn't mean that it will ever be actual.

Question 23

The laws of science do not have to obey the laws of logic.

Question 24

If something is causally possible, then it's logically possible.

Question 25

If something is logically possible, then it's causally possible.

Question 26

An opponent's inability to disprove a conclusion is proof of the conclusion's correctness.

Question 27

According to the law of non-contradiction, you can't contradict the world of God.

Question 28

According to the law of identity, it's illegal to impersonate someone else.

Question 29

If something is logically possible, it's real.

Question 30

If you can't prove that a claim is false, it must be true.

Question 31

If you can't prove that a claim is true, it must be false.

Question 32

ESP (Extra Sensory Perception) is logically impossible.

Question 33

Without the laws of thought, communication would be impossible.

Question 34

If something is technologically impossible, it violates a law of nature.