Have you read (or stumbled into) one too many irrational online debates? Ali Almossawi certainly had, so he wrote An Illustrated Book of Bad Arguments! This handy guide os here to bring the internet age a much-needed dose of old-school logic (really old-school, a la Aristotle).
"An Illustrated Book of Bad Arguments" est le moyen parfait d'enseigner et d'apprendre (ou de réintroduire) ces notions fondamentales du discours logique. Un livre en tous points delicieux!
A false dilemma is an argument that presents a limited set of two possible categories and assumes that everything in the scope of the discussion must be an element of that set. Thus, by rejecting one category, you are forced to accept the other.