This comment is more or less irrelevant. The third axiom of probability is about sums of countably many terms: http://en.wikipedia.org/wiki/Axioms_of_probabili

This comment is more or less irrelevant. The third axiom of probability is about sums of countably many terms: http://en.wikipedia.org/wiki/Axioms_of_probability#Third_axiom http://en.wikipedia.org/wiki/Axioms_of_probability#Third_axi...