What Does “You Can’t Prove A Negative” Mean?

Is the statement “You can’t prove a negative” meaningless?

Sometimes it is mistaken for an argument from ignorance, which is non-proof and a logical fallacy

The statement “You can’t prove a negative” is negative. So, how do you prove that a negative can’t be proven, since it’s negative?

Professor Steven D. Hales shows precisely how one can prove a negative, to the same extent that one can prove anything at all.

Watch the following two videos, and share your thoughts.
James Randi Lecture @ Caltech

About benvitalis

math grad - Interest: Number theory
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