>It seems that Nick Bostrom's replacing of the Anthropic Principles with his
>Observational Selection Effects and Probability, His Doctoral Thesis, makes
>ETI even less likely. I, myself, suspect that ETI is likely there, but with
>our limited equipment, we stand a low likelihood that any signal will be
>identified as such.
I think ETIs are there alright, just not anywhere near us (not in our
backward light cone or close to it). But the universe seems to be infinite,
so there are probably infinitely many ETIs.
Department of Philosophy
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