Chapter 10: DISJUNCTIVE AND HYPOTHETICAL SYLLOGISMS
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No. of Questions = 10

In these exercises, you will be given hypothetical or disjunctive syllogisms, and asked to determine whether they are Valid or Invalid.

1 If I had a nickel for every time my cat ruined a sweater, I'd be a rich man.
I don't have a nickel for every time my cat ruined a sweater
Therefore, I am not a rich man.
a) Valid
b) Invalid
2 If the battery in my watch were dead, the watch would stop.
The watch has stopped.
Therefore, the battery is dead.
a) Valid
b) Invalid
3 If Sylvester Stallone keeps making Rambo movies, he will keep working out.
If he keeps working out, he will have to move up to a size 44 suit.
Therefore, if Sylvester Stallone keeps making Rambo movies, he will have to move up to a size 44 suit.
a) Valid
b) Invalid
4 The star of the movie was either Madonna or someone who looked very much like her.
The star was not someone who looked very much like her.
Therefore, the star was Madonna.
a) Valid
b) Invalid
5 Either Jesus was the Son of God or he was incredibly conceited.
Jesus was not incredibly conceited.
Therefore, he was the Son of God.
a) Valid
b) Invalid
6 The administration's new budget will either create a huge deficit or stimulate the economy.
The new budget will create a huge deficit.
Therefore, the new budget will not stimulate the economy.
a) Valid
b) Invalid
7 I can't be both a spineless extrovert and a neurotic introvert.
I am not a spineless extrovert.
Therefore, I am a neurotic introvert.
a) Valid
b) Invalid
8 A person is virtuous only if he is courageous.
George Washington was virtuous.
Therefore, George Washington was courageous.
a) Valid
b) Invalid
9 I'm going to explode unless I tell you what Debbie said about Donnie.
I'm going to tell you what Debbie said about Donnie.
Therefore, I'm not going to explode.
a) Valid
b) Invalid
10 The defendant clearly violated the contract if he failed to deliver the equipment at the specified time and place.
The defendant failed to deliver the equipment at the specified time and place.
Therefore, the defendant clearly violated the contract.
a) Valid
b) Invalid


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