A Primer on the Doomsday Argument A probababilistic argument that the risk that humankind will go extinct soon has been systematically underestimated. Based on Bayes' theorem, analytic philosophy and anthropic reasoning A probababilistic argument that the risk that humankind will go extinct soon has been systematically underestimated. Based on Bayes' theorem, analytic philosophy and anthropic reasoning with locj20probababilisticargumentriskhumankindextinctsoon