If I can’t beat my grandpa at basketball, then I can’t beat LeBron James. Fact.
We hear this kind of argument a lot. It can be humorous, poignant, often compelling. It’s a favorite of lawyers and children and a great set up for Horatio Caine jokes.
It’s called argument a fortiori (ah-four-tee-OR-ee) or “argument from the stronger.” And it can be hours of rhetorical fun.