There must be life other than our own in the universe.
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1 year, 11 months ago
The probability of other life in the universe keeps falling. Before any exo-planets were discovered, the probability of life on a planet was 1/9 (we have not discovered life on any other planets). As we discover more exo-planets (and don't find life) the probability declines - now approx 1/3700.
to add a premise for this argument.