Reductio ad Hitlerum
Reductio ad Hitlerum (pseudo-Latin for "reduction to Hitler"; sometimes argumentum ad Hitlerum, "argument to Hitler", ad Nazium, "to Nazism"), or playing the Nazi card, is an attempt to invalidate someone else's position on the basis that the same view was held by Adolf Hitler or the Nazi Party, for example: "Hitler believed in eugenics, X believes in eugenics, therefore X is a Nazi". Coined by Leo Strauss in 1951, reductio ad Hitlerum borrows its name from the term used in logic, reductio ad absurdum (redu...
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