Joseph Smith lied about an Angel visiting him -2

Reasons to agree: +1

1. Joseph said he was visited by an angel in his room, but he couldn't have, because he shared the room with his brothers, and they would have seeing it. -3

Reasons to disagree

1. 
   

Reasons to agree: +1

Reasons to disagree: -0

Reasons to disagree with reasons to agree: -3

Reasons to agree: +1 -3 = -2