In A System of Logic, John Stuart Mil used it as an example of falsifiability, noting that "civilised people had existed for three thousand years on the earth without meeting with" one.
Juvenal wrote that "a good man is as rare as" one of these, while Aristotle used this term in his Prior Analytics as an example of a improbable relationship for a syl ogism.  Nevertheless, one was eventual y encountered in 1697 by Wil em de Vlamingh. In A System of Logic, John Stuart Mil used it as an example of falsifiability, noting that "civilised people had existed for three thousand years on the earth without meeting with" one. This type of event refers 2  VETO 2013  Pack by Michael R. Whitaker, Steph Wilson, Rob Freeman, Trevor Alexander to one with a probability so smal that predictive models do not al ow for their possibility, as described in a book subtitled The Impact of the Highly Improbable. For ten points, identify this term which names that 2007 work by Nassim Nicholas Taleb, as wel the Australian bird Cygnus atratus.
Juvenal wrote that "a good man is as rare as" one of these, while Aristotle used this term in his Prior Analytics as an example of a improbable relationship for a syl ogism.  
Black swan