• An occasion in which a conclusion is drawn from two assumed premises in which the conclusion does not need to be valid! Each of the premises presented must share a term with the conclusion while it also shares a common term not found in the assumed conclusion.
For example, All conservatives are obnoxious: All politicians have big mouths: Therefore all conservatives have big mouths.
This is not necessarily true but is a hilarious example of syllogism!
• Deductive reasoning which is distinct from inductive reasoning