It is also somewhat questionable to ask someone to prove a negative.
This isn't true at all. The negative is also often seen in the form of a null hypothesis. "There's someone in the fridge". "No, there isn't". Here is a case where we can prove a negative. Some negatives by their nature can't be proven, but as a blanket statement it's false.
You yourself mentioned that benchmarks were worse - this is proof of the negative, and you could have cited those benchmarks in your argument.
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The primary burden is the one stating the original argument. It is also somewhat questionable to ask someone to prove a negative.
considering that 3 is 50% more than 2, I'd say the negative is that it ISN'T a "huge" improvement.
(only a little kidding).
It is also somewhat questionable to ask someone to prove a negative.
This isn't true at all. The negative is also often seen in the form of a null hypothesis. "There's someone in the fridge". "No, there isn't". Here is a case where we can prove a negative. Some negatives by their nature can't be proven, but as a blanket statement it's false.
You yourself mentioned that benchmarks were worse - this is proof of the negative, and you could have cited those benchmarks in your argument.