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Abstract: Whether or not to vaccinate one’s child is a decision that a parent may approach in several ways. The vaccination game, in which parents must choose whether to vaccinate a child against a disease, is one with positive externalities (herd immunity). In some societies, not vaccinating is an increasingly prevalent behavior, due to deleterious…

Livestream  https://youtu.be/o5Y-IgQSmSU Series: Logic and Philosophy Abstract: According to the orthodoxy, counterpossibles (i.e., counterfactuals with an impossible antecedent) are all vacuously true (Stalnaker 1968, Lewis 1973, Williamson 2017). However, a growing number of reformers defend the idea that some counterpossibles are false and not all true by default (Brogaard and Salerno 2013, Berto et al.…

Livestream  https://youtu.be/gvBK_2qy2NY Series: Conservation Abstract: Scientists are often faced with unique challenges when they use concepts—like biodiversity—that extend far beyond the boundaries of the traditional scientific community. Inevitably, a term that’s used in areas as disparate as conservation biology, systematics, politics, activism, and law will give rise to a host of clashing definitions. Such use…