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Dennis Hackethal revised criticism #5425.
Neil replies fallibility means the criterion must be able to get answers wrong or not deliver an answer at all sometimes. And if that’s the case, not any pair should be needed.
Neil replies fallibility means the criterion must be able to get answers wrong or not deliver an answer at all sometimes. And if that’s the case, not any pair should be needed. Otherwise, “reliably compare” would be a demand for infallibility.