Question

Which argument is valid?

Answer 1

1 - True.  If a number is divisible by 12 it's divisible by 6 and thus by 3

2 - False. A rhombus needn't have square angles

3 - False. the second proposition is unrelated to the first one, and doesn't allow us to deduce that cats have fur.

4 - False - We cannot link the first and second proposition in any way to make the third