TUTORIAL 4 SECTION B ARGUMENT

Since some grapes are purple, and all grapes are fruit, some fruit is purple

• Inductive argument

• Deductive argument

Biden would have made a fine president. After all, he made a fine vice president

• Inductive argument

• Deductive argument

I can hear you lots better now! You must be holding the phone in a different position.

• Inductive argument

• Deductive argument

Miss Scarlet’s fingerprints were on the knife used to kill Colonel Mustard. Furthermore, he was killed in the pantry, and she was the only person who had a key to the pantry. Clearly, she killed the colonel.

• Inductive argument

• Deductive argument

Jose is taller than Bill, and Bill is taller than Margaret. Therefore, Jose is taller than Margaret.

• Inductive argument

• Deductive argument

All mammals are warm-blooded creatures, and all whales are mammals. Therefore, all whales are warm-blooded creatures.

• Inductive argument

• Deductive argument

Ashraf own a Mercedes Benz. Rich people own Mercedes Benz. Therefore, Asyraf must be rich.

• Inductive argument

• Deductive argument

If it is raining, then it is cloudy.

It is cloudy.

Therefore, it is raining.

• Valid and sound

• Valid and unsound

• Invalid and unsound

If my sister is a college student, then she is a high school graduate.

My sister is not a college student.

Therefore, my sister is not a high school graduate.

• Valid and sound

• Valid and unsound

• Invalid and unsound

Either dogs are cats, or dogs are fish.

Dogs are not fish.

So, dogs are cats.

• Valid and sound

• Valid and unsound

• Invalid and unsound