Valid and Invalid for S2 Logic

Read this argument:

1 All things with sharp teeth are scary.

2 That cat has sharp teeth.

____________________

C. That cat is scary.

• This argument is valid.

• This argument is invalid.

Read this argument:

1 It snows sometimes.

2 There as a ninja peacock in Kung Fu Panda 2.

____________________

C. The queen likes bacon.

• This argument is valid.

• This argument is invalid.

Read this argument:

1 All people respire.

2 I am a person.

____________________

C. I respire.

• This argument is valid.

• This argument is invalid.

Read this argument:

1 I am an alien.

2 All aliens live on Neptune.

____________________

C. I live on Neptune.

• This argument is valid.

• This argument is invalid.

Read this argument:

1 All spiders have eight legs.

2 Tom is a fish.

____________________

C. Tom has eight legs.

• This argument is valid.

• This argument is invalid.

Read this argument:

1 Dinosaurs live in England.

2 I live in England.

____________________

C. I live in the same country as dinosaurs.

• This argument is valid.

• This argument is invalid.

Read this argument:

1 Dogs have eight legs.

2 Jack is a dog.

____________________

C. Jack has eight legs.

• This argument is valid.

• This argument is invalid.

Read this argument:

1 France is in South America.

2 I am in France.

____________________

C. I am in South America.

• This argument is valid.

• This argument is invalid.

Read this argument:

1 All dogs are cats.

2 Jack is a dog.

____________________

C. Jack is a cat.

• This argument is valid.

• This argument is invalid.

Read this argument:

1 All cats are black.

2 Jack is a black.

____________________

C. Jack is a cat.

• This argument is valid.

• This argument is invalid.