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49Are backwards-infinite causal sequences possible? (review)Logic and Logical Philosophy 28 (2). 2019.
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1888Surreal Time and UltratasksReview of Symbolic Logic 9 (4): 836-847. 2016.This paper suggests that time could have a much richer mathematical structure than that of the real numbers. Clark & Read (1984) argue that a hypertask (uncountably many tasks done in a finite length of time) cannot be performed. Assuming that time takes values in the real numbers, we give a trivial proof of this. If we instead take the surreal numbers as a model of time, then not only are hypertasks possible but so is an ultratask (a sequence which includes one task done for each ordinal number…Read more
Minneapolis, Minnesota, United States of America
Areas of Specialization
Logic and Philosophy of Logic |
Mathematical Logic |
Philosophy of Mathematics |
Space and Time |