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He does use the word "independently", presumably to take this into account.
by gort 17y ago
He does use the word "independently", presumably to take this into account.
- dmfdmf 17y agoRight. But that is a big assumption of his position. If there is life on Mars and it is DNA or RNA based I would say the independence assumption is less certain. Then the author can go on happily assuming that the "filter" is probably behind us. Not sure why that is such a big thing though.