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Yeah we shouldn't say we "know" that advanced civilizations existed, but there's nothing wrong with hypothesizing that they did. Absence of evidence is not evid
by animal_spirits 5y ago
Yeah we shouldn't say we "know" that advanced civilizations existed, but there's nothing wrong with hypothesizing that they did. Absence of evidence is not evidence of absence.
- donkeybeer 5y agoBut we must also be careful not to get into Russel's teapot territory in the course of our hypothesizing.