Definitions
Define Logic
The art and science of thinking well and making good inferences
Which pair cannot both be true and cannot both be false?
Contradictions
Translate the following statement: Logic is difficult
All logic is difficult things
Name the fallacy: "John, Sam and Sarah all skipped assembly. No one goes to assembly anymore."
Apriorism
Identify the form of this argument and whether it is valid or invalid:
If John goes to McDonalds, then he will get nuggets.
If he gets nuggets, then he will want sauce.
If he goes to McDonalds, then he will want sauce.
Pure Conditional
Valid
The best type of definition is
an essential definition which includes the genus and specific difference
What is the contradiction of "All S are P"?
Some S are not P
What type of statement is "Some athletes are not swimmers"?
O Statement
Name the fallacy: McDonalds has the best nuggets in town, so we should make Ronald McDonald the mayor of our city.
Non-sequitor
Identify the form of this argument and whether it is valid or invalid:
If the alarm is set, the house is protected.
The alarm is set.
Therefore, the house is protected.
Modus Ponens
Valid
the conclusions necessarily follows from the premises
What is the subcontrary of "Some S are P"?
Some S are not P
What type of statement is "Some dogs are pets."?
I Statement
Name the fallacy: "You need to marry the girl or move on."
Either/Or Fallacy
Identify the form of this argument and whether it is valid or invalid:
Either the baseball team will win or lose today.
They won the game.
Therefore, they did not lose the game.
Affirmative Disjunctive
Invalid
Define truth
when the content of a statement corresponds with the world (reality)
If a universal statement is true, what does sub-implication tell us about its particular?
The particular must also be true
Translate the following statement:Not all accidents are caused by bad drivers
Some accidents are not bad driver accidents
Name the fallacy: "Have you stopped cheating on your math tests?"
Complex Question
Identify the form of this argument and whether it is valid or invalid:
If I study for the final, then I will pass it.
I did not study for the final.
Therefore, I did not pass it.
Modus Tollens
Valid
Define fallacy
a flaw in an argument's reasoning
If "All dogs are cute" is true, state the truth value of the following:
Some S are P
No S are P
Some S are not P
True
False
False
Translate the following statement:
"If people ask for help then I will not send them away."
No help asker people are sent away people.
Ad Ignorantiam
Identify the form of this argument and whether it is valid or invalid:
It is not the case that Mr. Z is both bald and funny.
Mr. Z is bald.
Therefore, he is not funny.
Negative Conjunction
Valid