Each part of the human body is made up of atoms, and atoms are invisible. Therefore, the human body is invisible.

My car is heavy, so the steering wheel must be heavy.

A feather is light. What is light cannot be dark. Therefore, a feather cannot be dark.

Which of the following is not an example of the fallacy of composition?

A. All the bricks in this building are small, so the building must be small.                                                         

B. Every word in the poem is short, so the poem is short.            C. The library building itself is excellent, therefore the books contained in it must be excellent.   D. The brain is conscious, so its neurons must be conscious.

Which fallacy is committed in this argument:

“The universe must have a purpose because every part of it – stars, rivers, trees – has a purpose.”