Against Small Pox

There is a saying among logicians: one man’s modus ponens is another man’s modus tollens. In english, the idea is that different people often respond to the same argument by reaching opposite conclusions. If you see that an argument is

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History and Rashomon

Akira Kurosawa’s 1950 masterpiece Rashomon in which a murder is told from four differing perspectives, including that of the ghost of the murdered man, details a problem that always plagues historians:   whenever you have more than one source for an event, they

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