Learning Via Negativa
Sometimes it’s easier to describe something by what it is not rather than what it is. Learning through subtracting is called via negativa. Nassim Nicolas Taleb explains via negativa in the context of antifragility. What is wrong is usually more robust than what is right. Proof by contradiction. (Illustrated by toy proof) Claim: There is no largest even integer. Proof: Suppose not. Assume that k is the largest even integer. Since k is even, we can write k = 2n, where n is another integer. Pick