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WorksheetsValid / sound / deductive/ a priori etc
Total questions: 30
Worksheet time: 19mins
Is the following argument valid?
All humans are mortal.
Mr. Mulville is a human.
Therefore, Mr. Mulville is mortal.
Yes
No
Is the following argument valid?
All singers are robots.
Taylor Swift is a singer.
Therefore, Taylor Swift is a robot.
Yes
No
Is the following argument sound?
All animals live on Mars.
All humans are animals.
Therefore, all humans live on Mars
Yes
No
Is the following argument valid?
All animals live on Mars.
All humans are animals.
Therefore, all humans live on Mars
Yes
No
P2. The streets are wet.
C. Therefore, it is raining.
Is the following argument valid?
All singers are robots.
Taylor Swift is a singer.
Therefore, Taylor Swift is a robot.
Yes
No
Is the following argument valid?
All cartoon characters have a funny voice.
Mickey Mouse has a funny voice.
Therefore, Mickey Mouse is a cartoon character.
Yes
No
Is the following argument sound?
All animals live on Mars.
All humans are animals.
Therefore, all humans live on Mars
Yes
No
"A proposition that is reached from given premises."
Premise
Conclusion
Valid
Sound
A logical argument whose premises necessarily lead to the conclusion, regardless of whether or not the premises are correct.
Premise
Conclusion
Valid
Sound
A logical argument whose premises necessarily lead to the conclusion AND whose premises are true.
Invalid
Unsound
Valid
Sound
A logical argument whose premises necessarily lead to the conclusion AND whose premises are false.
Invalid
Unsound
Valid
Sound
The type of argument such that the truth of the premises only raises the probability that the conclusion is true.
deductive
inductive
fallacious
cogent
What does "a posteriori" mean?
Rational
After sense experience
Logical
metaphysical
Which of the following propositions is a priori?
The car is blue.
The mind is the brain.
Blue is a color.
A deductive argument that is both valid and has no false premises.
Sound
Cogent
Strong
True
A statement...
is a sentence with a truth value.
is always a premise in an argument.
has at least six words
can be called 'valid' in philosophy.
In philosophy an argument...
is a collection of statements which give evidence for a central claim.
is a diagram that shows how the premises and conclusion are related to one another.
is a clear and obvious way of presenting the reasons for a given conclusion.
is a collection of sentences which give evidence for a central claim.
A premise must... (click all that apply)
always be true.
be a statement.
have a truth value.
give evidence for the conclusion.
Of the following types of sentences below, which do we NOT use in a philosophical argument? (click all that apply)
statement
questions
expressions of emotion
commands (imperatives)
In philosophy, a conclusion is...
what an argument is trying to show the truth of.
the last part of an argument.
the end of a discussion.
a claim that is always explicit.
