The wonderful Katja Grace has just uploaded her thesis, Anthropic Reasoning in the Great Filter, linked to from her blog (which contains a convientient summary)
She discusses how deal with indexical updating; updating on information not simply based on the likelihood that it occur somewhere, but the relative number (or proportion) of obersevers who would see that informtation.
Katja Grace’s Anthropic Reasoning in the Great Filter
The wonderful Katja Grace has just uploaded her thesis, Anthropic Reasoning in the Great Filter, linked to from her blog (which contains a convientient summary)
She discusses how deal with indexical updating; updating on information not simply based on the likelihood that it occur somewhere, but the relative number (or proportion) of obersevers who would see that informtation.