So, "lying".
1. Murder is a crime. 2. We should be tough on murder. 3. Therefore, we should be tough on crime. (Deliberately) Omitted: Jaywalking is a crime. Should we be tough on jaywalking?
1. Situation X in my mind is jaywalking. 2. We should legalize Situation X. 3. Therefore, we should legalize jaywalking. (Accidentally?) Omitted: Situation Y is jaywalking. Should we legalize Situation Y?